DATAMATIC 1000 BRL 1961, DATAMATIC 1000, start page 0214
Thanks to Ed Thelen for allowing us to mirror this section
Datamatic 1000 Electronic Data Processing System
MANUFACTURER
Minneapolis Honeywell Regulator Company
DATAmatic Division
Newton 61, Massachusetts
Photo by Minneapolis-Honeywell Regulator Company
APPLICATIONS
Manufacturer System is designed and used for
commercial (business and scientific applications.
Baltimore & Ohio Railroad Company Located on the
10th Floor, B&0 Central Building, Baltimore, Maryland, the
system is used for payroll, freight revenue accounting, and
car accounting.
First National Bank of Boston Located at the Main
Office in Boston, Massachusetts, the system is used for
Deposit Accounting, Check Reconcilement, and Corporate Trust
Accounting including maintenance of stockholders' ledgers,
preparation and processing of cash dividends, stock
dividends, proxies, addressing mailable materials, stock
subscriptions, etc. It is used for Loan Accounting, including
factoring (accounts receivable consumer loans, commercial and
real estate loans, revolving Check-Credit loans, etc.
Additional applications for the future include Savings
Accounting, Payroll, Expense Distribution, Personal Trust
Accounting and Safe Deposit Accounting.
Michigan Hospital Service Located on the 6th Floor 3t
441 E. Jefferson, Detroit 26, Michigan, the system is used
for daily maintenance of subscriber records and verification
of hospital and medical benefits, premium billing, premium
accounting and statistics, and claim accounting and
statistics.
Minneapolis-Honeywell Regulator Co.-TCG Division Located
at 2753 4th Avenue South,Minneapolis, Minnesota, the system
is used for payroll, account distribution, accounting
ledgers, factory labor efficency, file maintenance, sales
statistics, factory scheduling, standard cost calculation,
and inventory extension.
Treasury Department The system is located on the
Second Floor at 214 Seventh Street, Parkersburg, West
Virginia. Operations are concerned with the issuance and
retirement of Series E, United States Savings Bonds in poach
card form sold to the public beginning October 1,1957.
BRL 1961, DATAMATIC 1000, start page 0215
Photo by the First National Bank of Boston
The original bonds and registration stubs are used to prove
the accuracy of shipments from issuing and paying agents and
establish alphabetic and numeric registration records to
provide a status record of every United States Savings card
bond printed. Alphabetic files are maintained by the name of
the bond owner and numeric files are maintained by bond
serial number to reflect the issuance and retirement of each
bond. These records serve as search media to answer
inquiries relative to card bond holdings and the status
thereof. Reports are produced to reflect classified charges
to the U.S. Treasurer's account and to provide the Division
of Public Debt Accounts and Audit, Washington, with
accounting data for the maintenance of outstanding savings
bond interest accounts.
PROGRAMMING AND NUMERICAL SYSTEM
Manufacturer
Internal number system Binary coded decimal and
coded alphanumeric
Decimal digits/word 12
Alphanumeric digits/word 8
Decimal digits/instruction 12
Instructions per word 1
Instructions decoded 1
Arithmetic system Fixed point
Instruction type Three address (normal)
Four address (subsequence
operation)
Number range 0-9, 0-16 and 0-64
Floating point operation may be programmed.
ARITHMETIC UNIT
Manufacturer
Incl Stor Access Exclud Stor Access
Microsec Microsec
Ana 230.4 58
Mult 1, 008 835
Div 2,304 2,131
Construction Vacuum tube amplifiers, crystal diodes
logic and packaged type construction.
Rapid access word registers 7
Arithmetic mode Serial
Timing Synchronous
Operation Sequential
BRL 1961, DATAMATIC 1000, start page 0216
Photo by Baltimore and Ohio Railroad
System is primarily sequential. Transfer of information to
and from the high speed storage unit is concurrent. The
operation times given above under "Including Storage
Access" include checking time. The capacity of the
accumulator is 11 decimal digits with sign in addition and
subtraction or 22 decimal digits with sign in
multiplication and division. Parallel reading and writing
of 31 channels on magnetic tape with serial handling of
bits comprising each character and word. Access to high
speed storage is parallel. Arithmetic operations are
serial. Decimal digits are in binary coded decimal,
alphanumeric characters are in a six-bit code.
STORAGE
Manufacturer
No. of Decimal Access
Media Words Digits Microsec
Magnetic Cores 2,000 24,000 12
Magnetic Cores 248 2,976 20
Magnetic Tape
No. of units that can be connected 100 Units
No. of chars/linear inch 600 dec, 400 alpha char/in
Channels or tracks on the tape 31 Channels
Tape speed 100 Inches/sec
Transfer rate 60,000 dec, 40,000 alpha char/sec
BRL 1961, DATAMATIC 1000, start page 0217
Physical properties of tape
Width
3 Inches
Length of reel 2,700 Feet
Composition Plastic sandwich
Baltimore & Ohio RailroadCompany
Medium No. of Words No. of Digits/Word
Core 2,000 12 mum 8 alpha
First National Bank of Boston
No. of No. of Access
Medium Words Digits Microsec
Core 2,000 24,000 28
Michigan Hospital Service
Magnetic Core 2,000 24,000 28.852-bit word
Minneapolis-Honeywell Regulator Co.-TCG Division
Core 2,000 12 10
Treasury Department
Ferrite Core 2,000 24,000 Approx. 10
Magnetic Tape 3,100,000 37,200,000 2.5 Min.
The ferrite core storage is internal, the magnetic
tape storage is external.
INPUT
Manufacturer
Media Speed
Punched Cards 900 cards/min (Input Converter)
Paper Tape 10 char/sec (via console)
Keyboard Manual(via console)
Magnetic Tape 60,000 dec dig/sec (On line tape
units)
Baltimore & Ohio Railroad Company
Cards (1200 Input900 cards/min
Converter)
First NationalBank of Boston
Punch Cards900 cards/min
Paper tape is to be added.
Michigan Hospital Service
Cards 900 cards/min
Magnetic Tape60,000 dig/sec
Input is via card reader to magnetic tape to central
processor.
Minneapolis-Honeywell Regulator Co.-TCG Division
Punched Card 900 cards/min
Card editing is possible.
Treasury Department
Paper Tape60 char/min
(Flexowriter)
Cards 900 cards/m-in
Card data is converted on magnetic tape. Magnetic tape is
input to central processor at 60,000 decimal digits/sec.
One reel of tape is 2,700 feet long, 3 inches wide, and
can store 37,200,000 decimal digits or 28,200,000 alphabetic
characters. Input to the system is punched cards; input to
the central processor is magnetic tape or paper tape.
OUTPUT
Manufacturer
Media Speed
Punched Cards 100/min (Output Converter)
Printing 900 lines/min (Output Converter)
Paper Tape 10 char/sec (via console)
Magnetic Tape 60,000 dec dig/sec (On line tape
units)
Character-at-a-Time 10 char/sec (Console Typewriter)
Paper Tape Input Converter
Paper Tape Output Converter
Baltimore & Ohio Railroad Company
Media Speed
1400 Output Converter 800 lines/min
1300 Output Converter 150 lines/min
(Modified IBM 407)
1300 Output Converter 100 cards/min
(Modified IBM 519)
First National Bank of Boston
Printed Page 900 lines/min
(160 characters/line, 2 printers)
Printed Page 150 lines/min
(120 characters/line, 1 printer)
Cards 100 cards/min
Michigan Hospital Service
Magnetic Tape 60,000 digits/sec
Printed Page 900 lines/min
Anelex high speed printer at 120 char/line.
Minneapolis-Honeywell Regulator Co.-TCG Division
Printed Page 900 lines/min
Printer has 120-160 char/line, 55 characters
Printed Page 150 lines/min
Printer has 120-120 char/line, 47 characters
Cards 100 cards/min
Treasury Department
Magnetic Tape60,000 dec dig/sec
Punched Card 100 cards/min
Printed Page 900 lines/min
The output of the central processor is on magnetic tape
only. The data on the tape is printed and/or punched "off
line".
CIRCUIT ELEMENTS OF ENTIRE
SYSTEM
Manufacturer
Tubes 3,600
Tube types Type 6145 and other computer quality types
Crystal Diodes 60,000
Magnetic Cores1 17,000
Transistors 500
The above figures are for the Central Machine.
Separate Cabinets10 Types (building block units)
Size of installation is dependent on application. Up to 100
magnetic tape units may be used in on-line operation.
CHECKING FEATURES
Manufacturer
Every word contains checking digits. Transfer weight
count check. Arithmetic weight count check. Special circuit
checking. Selection and order verification checking.
Blank column and multiple punch column detection is under
control of the operator of the Input Converter.
Marginal checking circuitry included in addition to the
above.
POWER, SPACE, WEIGHT, AND SITE PREPARATION
Manufacturer
Power, computer 94.6 Kw 110 KVA 0.86 pf
Power, air cond. 49.2 Kw 60 KVA 0.82 pf
Area, computer 550 sq ft
Floor loadingLess than 125 lbs/sq ft
Weight, computer 70,000 lbs
Air conditioner is built in. No user requirements.
The above weight and power figures include 10 magnetic
tape installations. Space figure excludes aisles and work
areas The total is 4,500 sq ft.
BRL 1961, DATAMATIC 1000, start page 0218
The clear space to ceiling is 8 ft. 3 in. Recommended floor
space 40 by 100 feet (for minimum installation). Voltage
requirements - 208 volts, 3 phase, 60 cycle.
Baltimore & Ohio Railroad Company
Power, computer 230 KVA
Volume, computer 67,500 cu ft
Area, computer 7,500 sq ft
Floor loading 60 lbs/sq ft
50 lbs/sq ft
Weight, computer123,000 lbs
Site is prepared with perforated metal false ceiling.
Plenum between false and building ceiling, false floor - 2
ft x 4 ft sections made of aluminium honeycomb, power
distribution units supplied b manufacturer. Air
conditioning (chilled water installed for 70oF. + 2oF.
First National Bank of Boston
Power, computer 160 Kw 200 KVA 0.8 pf
Power, air cond. 40 Kw 44 KVA 0.9 Pf
Volume, computer6,065 cu ft
Vole, power room825 cu ft
Volume, air conditioner 60 cu ft
Area, computer945 sq ft
Area, power room200 sq ft
Area, air conditioner 20 sq ft
Room size, computer5,025 sq ft
Room size, power room 600 sq ft
Room size, air condition95 sq ft
Floor loading22 lbs/sq ft
125 lbs concen max
35 lbs/sq ft power room
Capacity, air conditioner 15 Tons
Weight, computer170,300 lbs
Weight, power room22,000 lbs
Weight, air conditioner 3,065 lbs
Site preparation included a 15-ton air conditioner for
magnetic tape room (including circulating water supply,
false floors and partitions for three rooms (MFU, CPU, and
converters) and an independent power supply.
Michigan Hospital Service
Power, computer 184 Kw 200 KVA 0.8 pf
Volume, computer5,700 cu ft
Area, computer4,450 sq ft
Floor loading24 lbs/sq ft
710 lbs concen max
Capacity, air conditioner 64 Tons
Weight, computer 106,400 lbs
Air conditioning system packaged units include 35
tons built into computer, 16 tons for Tape File
Room, 8 tons for High Speed Printer and Personnel,
and 5 tons for Personnel in Central Processor,.
The site has a dropped metal pan ceiling with sound proof
bats in each pan. This ceiling is not used as an air
condition plenum. The building is of steel and concrete
construction. Power for the Data Processor is located on the
roof of the building together with the motor generators,
electrical panels, compressors, vacuum pump, and individual
water tower. The compressors are situated on the 6th floor
of the building. Power, water, and air lines come from the
8th floor to the ceiling of the 5th floor. All such lines
are suspended from the ceiling of the 5th floor and stub up
through the concrete floor wherever necessary to feed the
individual units. A free floor was designed and installed to
cover all signal wires. Air conditioning is by package units
which feed through ducts above the pan ceiling to various
outlets. Package air conditioning units are equipped with
steam to be used for either heating or humidity control.
Minneapolis-Honeywell Regulator Co.-TCG Division
KVA, computer 20C
Vole, computer62,000 cu ft
Area, computer5,900 sq ft
Room size 5,900 sq ft
Floor loading125 lbs/sq ft
40 lbs concen max
Capacity, air conditioner 35 Tons
Weight, computer110,000 lbs
Each unit is self cooled. False ceiling is installed for
appearance. Power central setup to provide stable power.
Power is 208 volts, 3 phases,
4 wire, 60 cycles.
Treasury Department
Power, computer 170.44 Kw 213-05 KVA0.80 pf 208V.
Vole, computer9,'(51 cu ft
Vole, air conditioner891 cu ft
Area, computer1,513 sq ft
Area, air conditioner270 sq ft
Roomy size 8,400 sq ft
Floor loading101 lbs/sq ft
267 lbs concen max
Capacity, air conditioner 45 Tons
Weight, computer153,250 lbs
Total includes built in air conditioning
Weight, air conditioner 8,175 lbs
Total includes 3 separate air conditioning units
Site preparations were made at the time the building was
erected. The building is of brick and concrete construction
with steel girders and concrete floors. Special features in
the area include: false flooring; glass enclosures for the
input-output converter room, central processor room,
magnetic file room, and engineer's room; inter-com system
between four areas; dehumidifiers in the magnetic file room;
air and water ducts; acoustical tile ceiling for all rooms;
power ducts to all rooms from central power roam; and air
conditioning for the area.
COST, PRICE AND RENTAL RATES
Baltimore & Ohio Railroad Company
1 Model 1000 Central Processor $21,500/mo.
12Model 1100 Magnetic File Units 10,800/mo.
3Model 1170 File Switching Units 570/mo.
1Model 1200 Input Converter, with 3,325/mo.
card reader
1 Model 1300 Output Converter 1,800/mo.
1 Model 1400 Output Converter, in- 3,500/mo.
cluding high speed printer
1 Model 1900 Central Power1,750 mo.
3,2 5 mo.
Additional equipment includes IBM 407 at $800/month and IBM
519 at $944/month.
First National Bank of Boston
For the equipment listed, the total monthly rental
is $43,475.
Michigan Hospital Service
Monthly
Rental
One Central Processor $21,500
Eight Magnetic Tape Units 7,200
One Card Reader and Input Converter 3,325
One File Reference Unit 550
One Output Converter and High Speed 3,500
Converter
(Including maintenance)
$ ,075
BRL 1961, DATAMATIC 1000, start page 0219
Minneapolis-Honeywell Regulator Co.-TCG Division
Monthly
Purchase Rental
Quantity Model Unit Price One Shift
1 1000 Central Processor including High-Speed Memory
Arithmetic-Control Units
Input and Output Buffers
Read-Write Unit
Central Console
Unit Air Conditioning $985,000 $21,500
11 1100 Magnetic File, Unit including Amplifier Unit 660,000 14,850
2 1170 File Switching Unit 19,200 380
1 1200 Card Input System including 900-card-per-minute Card
Analyzer and Converter Control Unit 185,000 3,325
1 1300 Output Converter Control Unit 100,000 1,800
1 1310 Adapter for 150-line-per-minute printer (used with
Model 1300 Output Converter Control Unit) 13,000 200
1 1320 Adapter for 100-card-per-minute punch (used with
Model 1300 Output Converter Control Unit) 1,900 35
1 1400 Output Printing System including 900-line-per-minute
printer and Converter Control Unit 215,000 4,300
---------- -------
Total $2,179,100 $46,390
Maintenance service contract is $20,000 month (Purchased).
Treasury Department
Installation of the DATAmatic System $87,777
Components:
Central Processor
Auxiliary Central Processor
16 Magnetic File Units
4 File Switching Units
3 Card Input Systems
Converter Control Unit, Low Speed
IBM 519 Summary Punch
Output Printing System, High Speed
Power Room installation and equipment 8,035
Cost of False Flooring 39,740
Approximate Installation Cost $135,552
176 Hours, Basic Monthly Rental Charge:
Central Processor $21,500
Auxiliary Central Processor3,900
16 Magnetic File Units at $1,350 21,600
4 Switching Units at $190 760
3 Card Input Systems at $3,325 9,975
Converter Control Unit, Low Speed 535
IBM 519 Summary Punch 144
Output Printing System, High Speed
Basic Monthly Rental $62,714
Excess Use Time per Month:
Central Processor at $61.08/hour $20,161.80
Auxiliary Central Processor at
$11.08/hour 3,71-1.80
16 Magnetic File Units at $3.84/hr 6,566.40
4 Switching Units at $.54/hour 115.56
3 Card Input Systems at $9.45/hour 132.30
Output Printing System at $12.22/hr 2,566.20
Average Excess Use Time Cost per Month $33,254.06
Basic Cost $62,714.00
Excess Use Time Cost 33,254.06
Total Approximate Monthly Cost $95, =
System maintenance and service are included in the
monthly rental charge. Power room maintenance and
service are covered under a separate contract which
averages $4,000 annually.
PERSONNEL REQUIREMENTS
Baltimore & Ohio Railroad Company
One 8-Hour Shift
Supervisors 5
Analysts and Programmers 35
Librarians 1
Operators
Operation tends toward closed shop.
Methods of training used includes a combination
manufacturer's formal sessions and informal on-job
training.
First National Bank of Boston
One 8-Hour Shift
Supervisors 1
Analysts 5
Programmers 11
Coders 2
Clerks 3
Operators 2
In-Output Oper 6
Tape Handlers 2
Methods of training used includes 4 weeks in
manufacturer's school and on-the-,job training.
Michigan Hospital Service
One 8-Hour Shift
Supervisors 1
Analysts 3
Programmers 12
Clerks 2
Operators 1
In-Output Oper 2
Tape Handlers 1
Operation tends toward open shop.
Methods of training used includes programming training by
Minneapolis-Honeywell and operator training by Michi an
Hospital Service (detailed operating instructions.
BRL 1961, DATAMATIC 1000, start page 0220
Minneapolis-Honeywell Regulator Co.-TCG Division
One 8-Hour Two 8-Hour Three 8-Hour
Shift Shift Shift
Supervisors 1 1 1
Programmers 17 17 17
Clerks 4 4
Librarians 1 1 1
Operators 2 4 5
Engineers 3 5 7
In-Output Oper 2 4 6
Tape Handlers 1 2 3
Operation tends toward open shop.
Methods of training used
Six weeks programming course for analysts and
programmers.
Operation 3 weeks on-the-job
Console6 weeks on-the-,job
Treasury Department
One 8-Hour Shift Two 9-Hour Shifts
Used RecommUsed Recomm
Supervisors 2 4
Analysts 2 3 -
Programmers 14 -
Coders - -
Clerks 6 3
Librarians 1 2
Operators - 5 6
Engineers - -
Technicians 1 -
In-Output Oper - 8 8
Tape Handlers - 4 6
Operation tends toward open shop.
One DATAmatic representative is assigned full time for
guidance in the programming activities and the operations of
the system. Periodically, special training courses are
conducted by the DATAmatic Corporation either at the site or
company location. Onthe-,job training is given continuously
to peripheral equipment and console operators.
Personnel listed under the two 9-hour shifts are assigned
to the Electronic Data Processing Section which is
responsible for the scheduling of machine time and operation
of the electronic equipment. Programming is one of the
activities of the Methods and Procedures Section. This staff
performs all planning, programming and checking out of the
routines to place them in an operational state and provides
all operating instructions necessary for successful
performance. This group of employees operates on an 8-hour
basis but each individual programmer is on 24-hour Call.
RELIABILITY, OPERATING EXPERIENCE,
AND TIME AVAILABILITY
Baltimore & Ohio Railroad Company
Good time 42.3 Hours/Week Average
Attempted to run time45 Hours/Week Average;
Operating ratio (Good/Attempted to run time) 0.94
Above figures based on period Feb 60 to Mar 60
Passed Customer Acceptance Test Mar 59
Time is available for rent to qualified outside or-
ganizations.
First National Bank of Boston
Good time39.5 Hours/week (Average)
Attempted to run time40 Hours/Week (Average)
Operating ratio (Good/Attempted to run time) 0.98+
Above figures based on period Jul 58 to 31 Mar 60
Passed Customer Acceptance Test Jul 58
Time is available for rent to qualified outside or-
ganizations.
Time is rented to Datamatic Service Bureau (1 full
shift).
The operating ratio is approximately the same for the
Service Bureau.
Michigan Hospital Service
Average error-free running period 4.9 Hours
Good time 53.3 Hours/Week Average
Attempted to run time58.2 Hours/Week Average)
Operating ratio (Good/Attempted to run time) 0.916
Above figures based on period 1 Jan 60 to 6 Aug 60
Passed Customer Acceptance Test 1 Mar 58
Time is available for rent to qualified outside or-
ganizations.
Use by outside organizations is arranged through
Minneapolis-Honeywell Regulator Company, DATAmatic
Division.
Minneapolis-Honeywell Regulator Co.-TCG Division
Good time92 Hours/Week (Average)
Attempted to run time 100 Hours/Week (Average)
Operating ratio (Good/Attempted to run time) 0.92
Above figures based on period 1 Jul 59 to 1 Jul 60
Passed Customer Acceptance Test 1 Jul 59
Time is not available for rent to outside organiza-
tions.
Treasury Department
Average error-free running period 8.2 hours per 9
hour shift
Good time 115 Hours~WeekAverage
Attempted to run time 126 Hours~Week Average;
Operating ratio (Good/Attempted to run time) 0.913
Above figures based on period 1 Apr 60 to 30 Jun 60
Passed Customer Acceptance Test 1 Nov 58
Time is not available for rent to outside organiza-
tions.
The operating ratio is based on a 7 day week, two 9-hour
shifts a day.
ADDITIONAL FEATURES AND REMARKS
Baltimore & Ohio Railroad Company Adopted procedures
for magnetic tape labelling, storage, shipping, and
protection from humidity, temperature and physical,
electrical, fire, or other damage include generation of
labels in computer program used for tape assignment, tape
storage in closed file-type cabinets, and air-conditioned
atmosphere for humidity and temperature control. First
National Bank of Boston Outstanding features include
exceptional reliability, very high error-free recording, and
recovery of information on magnetic tapes. Unique system
advantages include high capacity of tapes, 465,000 punched
cards per tape (reel), hi)h speed, simultaneous read write
(60,000 digits/sec., and ability to edit on off-line
converters, saving CPU time. Michigan Hospital Service
Outstanding features include large storage capacity of
magnetic tape (37,200,000 digits per reel), read write
magnetic tape at 60,000 digits per second, and three address
instruction system (simplifies programming).
Unique system advantages include system and instructions
designed for data processing, particularly for low activity
updating of large record files.
Tape reels are numbered with ink marking pen. Data is
labelled with Labelon Tape. Tape room is controlled for
temperature, humidity, and dust. Security Tapes are stored in
first floor lobby for 24 hour period. Security Tapes are
alternated in warehouse storage on a semi-monthly basis.
BRL 1961, DATAMATIC 1000, start page 0216
Minneapolis-Honeywell Regulator Co.-TCG Division
Outstanding features include 3" wide tape, orthotronic
control, 900 lines per' minute printing speed. Tape storage
is dust, humidity and temperature controlled. A distant
vault is used for backup tapes.
Treasury Department
Outstanding features are (1) Transfer rate of 60,000
decimal digits per second; (2) efficient and speedy
sorting; (3) searches 10 tapes at once at transfer rate of
600,000 decimal digits; (4) "OFF LINE" input and output;
(5) built in air conditioning for central processor.
Unique system advantages include (1) ability to read and
search forward and backward and (2) Modulo 9 weight count
checking system.
Adopted procedure for magnetic tape labelling, storage,
shipping and protection from humidity, temperature and
physical, electrical, fire, or other damage include:
Tape Labelling
Reels are labeled with color code, name and run
number(s). Dates, names and run codes are written on tape.
Storage
Active tape records are stored on shelves in the
Magnetic File area. Security tapes are stored in a vault
in another building.
Shipping
Reels are placed in plastic bags and boxed in
corrugated cartons cushioned with fillers.
Protection from Humidity, Temperature, etc.
Air conditioning and normal protection.
The tape utilized in this System is divided into 36 linear
recording channels. 31 of these channels are used for
storing information. All other channels are used for control
purposes. Data is arranged along the 31 information channels
in arbitrary units called words and blocks. Each block
contains a total of 62 information words. There are 52 bits
in a word. Four are used for checking purposes and the
remaining 48 may represent either numeric or alphabetic
data. A word may be made up of 12 four-bit decimal digits, 8
six-bit alphabetic characters or any combination of these
adding up to 48 binary digits.
FUTURE PLANS
First National Bank of Boston There is a tentative
plan to switch to Honeywell H-800 in 1962, when a third
high-speed printer, a high-speed paper tape input, and high-
speed MICR input (2 systems) will be added. Treasury
Department Present plans are to carry out the program
relating to punch card U. S. Savings Bonds established at
the inception of the system, all available machine time is
required. Plans are in a formulative stage to include the
processing of Series E paper bond retirements abd reissue
transactions as machine time is made available through
improved programming techniques and liquidation of the
backlog which antedates installation of the equipment.
INSTALLATIONS
The Baltimore and Ohio Railroad Company
B&O Central Building
Baltimore 1, Maryland
The First National Bank of Boston
67 Milk Street
Boston, Massachusetts
Michigan Hospital Service
441 E. Jefferson
Detroit 26, Michigan
Minneapolis-Honeywell Regulator Co.-TCG Division
2753 4th Avenue South
Minneapolis 8, Minnesota
Datamatic Division
Minneapolis-Honeywell Regulator Company
60 Walnut Street
Wellesley Hills, Massachusetts
Treasury Department
Bureau of Public Debt
214 Seventh Street
Parkersburg, West Virginia
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