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Specifications for Monroe 920

Manufacturer: Monroe International Division, Litton Business Systems, Inc.
Model Number: 920
Serial Number: 102864
Date of Manufacture: Late 1969
Manufactured In: Japan (Canon)
Original Price: $695
Weight: 9 1/2 Pounds
Size: 3 3/4" High, 10 1/4" Wide, 13" Deep
Power Requirement: 13 Watts, 115VAC, 60Hz
Display Technology: Twelve Individual Nixie Tubes
Logic Technology: Texas Instruments SN39xx and SN45xx Series DTL Small-Scale ICs
One single TI TTL IC, SN 7400
NEC (Japen) made magnostostrictive delay line for Working Register Storage
Digits of Capacity: 12, No Zero Suppression
Decimal Modes: Fixed, Switch Selectable at 2, 3 or 4 behind deimal (can be modified)
Arithmetic Logic: Arithmetic
Math Functions: Four Function
Constant: Keyboard selectable for mutliply/divide
Memories: None

Previous Machine: Commodore 1121
Next Machine: Canon 141

Related Machines: Monroe 925
Canon 141
Monroe 950
Monroe 990
Monroe 620
Monroe 650

Documentation: Monroe 920 Service Manual [PDF - 119MB]

Copyright ©1997-2017, Rick Bensene.