TECHNICAL DATA of the Electro-Mechanical Calculator HAMANN AUTOMAT-S ************************************************************************ Serial Number: 65538 S Dimensions: (ca.) Width = 13_1/4" / 34 cm Depth = 10_1/2" / 27 cm Height = 6_3/4" / 17 cm Weight: (ca.) 21_1/2 lbs / 10 kg Power Supply: (115 V, 0.6 A) / 220 V, 0.3 A AC / DC grounded Mechanics: Switching-Latch-Wheel / Schalt-Klinke Functions: Add, Subtract, Multiply, Divide Full-motorized Arithmetic! Registers: Input = 9 Decimals Counter = 8 Decimals Arithmetic = 16 Decimals Manufacturer: DeTeWe Deutsche Telephon Werke AG Berlin / Germany 1955 H O W T O U S E the HAMANN AUTOMAT-S ******************************************** BASIC SETTINGS: =============== (A) Clear Input Unit: --------------------- Press the [ -> ] knob on top to CLEAR the input unit. When the knob is turned either to [+/- <- ], than the input unit will be cleared after an operation, or turned to [ -> x/:], than the input unit will not be cleared after an operation. (B) Clear Counter & Arithmetic Unit in the Carriage: ---------------------------------------------------- Press & hold the metal lever to shift the carriage to the far left position. This BASIC POSITION is for clearing only ( and PRE-SETings ) - No arithmetic operations are possible in this position! Press the right [M] key on front to clear counter and arithmetic unit with motor power. If the top-left or top-right knob on the carriage is pressed down ( it can be locked with a right 1/4 turn ), than the counter unit or the arithmetic unit will not be cleared in the motor cycle (both knobs are released with a left 1/4 turn ). Only in this basic position it is possible to PRE-SET the counter unit or the arithmetic unit with the affiliated toothed wheels. (C) Set Counting Direction with the [+/-] Lever on Top to [+]: -------------------------------------------------------------- In this case counter and arithmetic unit are working in the same direction; In case of [-] both are working opposit. R E M A R K : This CONTROL lever has also marks on its right side: WHITE[x/:] for automatic multiplication and division - the counter is added - or RED[x/:] the counter is subtracted. (D) Set the arithmetic lever on front to [+]: --------------------------------------------- The FUNCTION lever set the carriage/arithmetic unit in [+] state; ( If set to [-], the carriage/arithmetic unit is set in [-] state ). (E) Set the Carriage in Start Position 1 ( for ADD & SUBTRACT ): ---------------------------------------------------------------- Push the big [ -> ] key on front one time. ADDITION & SUBTRACTION: ======================= Example: 123 + 45 - 6 = 162 BEFORE starting: (a) Set carriage to its (left) BASIC POSITION (b) CLEAR counter and arithmetic unit with the [M] key (c) Set FUNCTION lever in front to [+] (d) Set CONTROL lever on top to [+] (e) Set CLEAR knob on top to [+/- <- ] (f) Push the big [ -> ] key on front one time. ADD: Enter the 1st number (123) in the far right of the input unit. Press the [M] key to transfer input into arithmetic unit. The counting unit displays the figure 1. Enter the 2nd number (45) into input. Press [M] and the arithmetic unit displays the intermediate sum (168). The counting unit displays the figure 2. SUBTRACT: Switch the FUNCTION lever to [-]. Enter the 3rd number (6) into input unit and press the [M] key. The arithmetic unit displays the result (162) and the counting unit is decreased by 1. REMARK: NEGATIVE RESULTS are displayed in the arithmetic unit as the COMPLEMENT of the next higher 10, 100, 1000, ... Example: -12 = 99...9988 AUTOMATIC MULTIPLICATION: ========================= Example: 567 * 89 = 50463 BEFORE starting: (a) Set carriage to its (left) BASIC POSITION (b) CLEAR counter and arithmetic unit with the [M] key (c) Set FUNCTION lever in front to [x] (d) Set CONTROL lever on top to [x/:] (e) Set CLEAR knob on top to [ -> x/:] Enter the multiplicand (567) in the far right of the input unit. PRE-SET the multiplicator (89) in the far right of the counter unit. START MULTIPLICATION procedure by pressing the [ -> x/: ] key on front. When the multiplication is done in ("short-cut") 3 steps (s.TRICKIES), the carriage is in its basic position with cleared counter unit. The input unit is unchanged and the result is in the arithmetic unit. AUTOMATIC DIVISION: =================== Example: 22 : 7 = 3.1428571 Remainder 3 BEFORE starting: (a) Set carriage to its (left) BASIC POSITION (b) CLEAR counter and arithmetic unit with the [M] key (c) Set FUNCTION lever in front to [:] (d) Set CONTROL lever on top to [x/:] (e) Set CLEAR knob on top to [ -> x/:] PRE-SET the dividend (22) in the far left of the arithmetic unit. Enter the divisor (07) in the far left ( pos. 9.. ) of the input unit. START DIVISION procedure by pressing the big [ -> x/: ] key on front. When the division is done, the carriage is in its basic position. The result (3.1428571) can be seen in the counter unit, and the remainder (3) is in the arithmetic unit. The divisor (7) is in the input unit, therefore an additional decimal can be estimated... ( 4, cause 4 x 7 = 28 ). REMARKS: ======================================================================== MULTIPLICATION and DIVISION can be done "HALF AUTOMATIC": In this case the CLEAR knob on top is set to [ -> x/: ], the CONTROL lever on top is set to [+] and the FUNCTION lever on front is set to [+] or [-]. The appropriate additions and subtractions are done by motor power with the [M] key. The MOVEMENT of the CARRIAGE is performed by the big keys [ -> ] and [ <- ] ... Have a look at a HOME-MADE A N G L E POWER PLUG ... impressum: ************************************************************************ © C.HAMANN http://public.beuth-hochschule.de/~hamann 05/06/07 |