Marchant Model G-8EFA Calculating Machine (Figuremaster)

This full-keyboard, proportional gear non-printing electric calculating machine has a metal case painted blue-green with a metal keyboard painted gray, and eight columns of green and white plastic keys. At the bottom of each column is a tabulator set key These tab keys are numbered from 1 on the right to 8 on the left.
Right of the number keys are a small on-off switch; division, line up, and stop keys; subtraction and addition bars; a non-shift key; a repeat key; a negative multiplication bar; and two carriage shift keys. In front of these are clearance keys for the tab set, the keyboard, and the dials. Right of these is a column of ten keys for automatic multiplication. Above the number keys is a row of eight windows to show a number set up.
Behind the entry register is a movable carriage with an 16-window result register and an eight-window revolution register. The motor is at the back of the machine, inside the case. The machine presently has no cord.
A mark on the bottom of the machine and scratched on the front reads: G8EFA 394253. A paper tag attached to the bottom reads in part: MARCHANT. It also reads in part: Figuremaster
The Marchant Model 8EFA sold from at least 1951 until at least 1958.
Currently not on view
Object Name
calculating machine
date made
Marchant Calculating Machine Company
Physical Description
paper (overall material)
metal (overall material)
plastic (overall material)
rubber (overall material)
overall: 22 cm x 34.2 cm x 41 cm; 8 21/32 in x 13 15/32 in x 16 5/32 in
place made
United States: California, Oakland
ID Number
accession number
maker number
catalog number
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Calculating Machines
Data Source
National Museum of American History, Kenneth E. Behring Center


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