This printing adding machine has a metal case painted black. Ten black numeral keys are arranged in a block (i.e. 7 8 9 (/) 4 5 6 (/) 1 2 3 (/) 0). These have metal key stems with plastic key covers. A metal operating handle with a wooden knob is on the right, and a paper tape at the back. There are red SUB(/)TOTAL, TOTAL, and MULTIPLY keys. In the front is a COLUMN INDICATOR lever. Numbers up to seven digits long may be entered, with eight-digit totals.
The machine has four rubber feet. It is marked on the top: Remington. It is marked on the left side: Remington Rand (/) BRANCHES EVERYWHERE. A metal tag glued to the bottom has the serial number M25250.
Compare to Brennan adding machine with catalog number 1999.0297.01. The rights to the Brennan adding machine were acquired by Remington Rand by 1932.
Typewriter Topics, vol. 71, January,1929, pp. 40-41, 92.
Typewriter Topics, vol. 72, May, 1929, p. 65.
Typewriter Topics, vol. 74, Mar, 1930, p. 61.
Ernst Martin, Die Rechenmaschinen und ihre Entwicklungsgeschichte, [1925 edition with later supplement], p. 447.
American Office Machines Research Services, III, 3.21, May, 1938.
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