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BURROUGHS CLASS 9
TECHNICAL DATA of the Electro - Mechanical Printing - Calculator
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BURROUGHS Class 9
Serial Number: 9-1516156
Dimensions: (ca.) Width = 9 " / 23 cm
Depth = 13_1/2" / 34 cm
Height = 9_1/2" / 24 cm
Weight: (ca.) 29 lbs / 13 kg
Power Supply: 110 - 135 V AC / DC
Mechanics: 10*9 Full-Keyboard,
Black Nylon Ribbon:
7/16" * 16' / 11 mm * 5 m
( Spool-Diameter = 1_3/4" / 44 mm )
Paper Roll (Standard):
2_1/4" * 2_3/4" * 165' (W * D * L)
57 mm * 65 mm * 50 m (B * D * L)
Functions: Addition, Subtraction
Subtotal, Total, NonAdd, Repeat
Registers: Input = 10 Decimals
Arithmetic = 10 Decimals
Printing = 11 Characters
Manufacturer:
BURROUGHS Adding Machine Co.
Detroit, Michigan / USA
1930
H O W T O R E M O V E T H E C O V E R :
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(1) Remove the paper roll by unscrew its axle.
(2) Remove the 2 screws on front.
(3) Remove the 1st (visible/left) screw of the printing unit.
(4) Remove the 2 screws on the (right) cover of the printing unit;
(5) shift the cover to the right.
(6) Now the 2nd screw of the printing unit can be removed.
(7) Lift the printing unit. (Observe the gears connection !)
(8) Pull the [+] & [-] keys.
(9) Lift the cover of the machine.
H O W T O U S E the BURROUGHS CLASS 9
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PRINTOUT - Example with Comments:
^^^^^^^^^^^^^^^^^^^ To clear memory:
| * | Press [TOTAL]
| | < Max.Input = 10 decimals >
| 1,234,567.89 | Enter (1st) number, Press[+]
| 2,345,678.90 | Enter (2nd) number, Press[+]
| 3,580,246.79 S | Press [S-TOTAL] to print actual sum
| |
| 1.23 - | Enter (neg.)number, Press[-]
| |
| 3,580,245.56 S | Press [S-TOTAL] to print actual sum
| |
| 4.56 | Set [REPEAT]; Enter number, Press[+]
| 4.56 | Press[+],
| | Press [ERROR] to release [REPEAT]
| 3,580,254.68 * | Press [TOTAL] to print total sum;
| * | Press [TOTAL], Memory is clear
| |
| .47 # | Enter ID #47, Press [NON-ADD], Press[+]
| 67.89 | Enter value, Press [+]
| .11 # | Enter ID #11, Press [NON-ADD], Press[+]
| 54.32 | Enter value, Press [+]
| 122.21 * | Press [TOTAL] to print total sum of values
| * | Press [TOTAL], Memory is clear
| |
| | < Max.Input = 10 decimals >
| 99,999,999.99 | CAUTION: Largest number entered, Press[+]
| 1 | Add 1
| * | OVERFLOW WITHOUT WARNING !!! Memory is clear
| |
| 1.23 | Enter (pos.) number;
| 4.56 - | Enter (larger negative) number;
| | Keys [S-TOTAL] & [TOTAL] are blocked !!!
| 3.33 CR| Press the small ( ) WHITE KEY beside [-]
| | to release Keys [S-TOTAL] & [TOTAL]:
| | NEGATIVE RESULT printed as "Credit"
| |
^^^^^^^^^^^^^^^^^^^
R E M A R K S T O R E S T O R A T I O N :
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The motor axle has an 8-32 thread - Can be used for MANUAL OPERATION with a
"TEST-CRANK". A home-made CLIP was made to hold the paper roll in place ...
|
... See the