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SCM Marchant Model 10-CMA Calculating Machine

National Museum of American History
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Object Details

SCM Corporation
Description
This full-keyboard, non-printing electric proportional gear calculating machine has a metal frame painted gray and ten columns of white and gray color-coded plastic digit keys, Each column has nine keys. To the right of the digit keys are diverse function keys. To the right of these are ten white keys for setting the multiplier. Right of these are two levers. Under the digit keys are a non-lock key and a carriage return key. Under the function keys is a lever. Over the function keys is another lever. Behind the digit keys are ten windows that show the number set up.
A movable carriage behind the entry register has a 20-digit result register, a row of ten buttons numbered from 1 to 10, and an 11-digit revolution register. The band of vinyl trim around the center of the frame is called a “vinyl channel” in documentation for the machine. There are four cork feet.
A mark on the front of the machine reads: SCM MARCHANT. A metal tag on the bottom reads: 10CMA 759928. A paper tag on the bottom lists several patents, the most recent of which is: 3017088. The machine is marked on the back SCM (/) MARCHANT.
Reference:
See 1979.3084.71.
Location
Currently not on view
Credit Line
Gift of SCM Corporation, Business Equipment Division
ca 1965
ID Number
MA.335378
accession number
318944
maker number
759928
catalog number
335378
Object Name
calculating machine
Physical Description
metal (overall material)
cork (overall material)
plastic (overall material)
Measurements
overall: 23.4 cm x 42 cm x 41.5 cm; 9 7/32 in x 16 17/32 in x 16 11/32 in
place made
United States: South Carolina, Orangeburg
See more items in
Medicine and Science: Mathematics
Calculating Machines
Science & Mathematics
National Museum of American History
subject
Mathematics
Record ID
nmah_690153
Metadata Usage (text)
CC0
GUID (Link to Original Record)
http://n2t.net/ark:/65665/ng49ca746a5-141e-704b-e053-15f76fa0b4fa

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SCM Marchant Model 10CMA Calculating Machine
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