Underwood Sundstrand 11240SP Adding Machine

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Description: This hefty ten-key listing electric adding machine has a gray metal case with a 13” carriage. The block of nine white number keys has a zero bar below. Numbers of up to ten digits may be entered. To the left are correction, back space, and repeated addition keys. To the right are subtraction, addition, and no total keys. Left of these keys is a lever that can be set at “SHUTTLE” or “NORMAL.” Another lever can be set at “REG.B,” “A*B,” or “REG.A.” Another lever is unlabeled. Above the keyboard is a place indicator. Behind this are the printing mechanism, carriage, and cross-footer. Numbers of up to 11 digits can be printed. The machine has a two-colored ribbon. Tabs can be set to print columns at different locations along the platen, different sizes of paper can be used, and there are knobs for advancing the platen on both sides. The motor also is at the back.; This is model #303 from the Patent Division of Burroughs Corporation. It is marked on the back: Underwood (/) Sundstrand (/) Product of (/) Underwood Corporation (/) Protected by United States (/) and Foreign Patents (/) Made in U.S.A.. It is also marked there: 775180 (/) 11240SP; Compare to the Underwood Sundstrand Adding Tabulator (model 11240SP-13), described in 1990.188.07.
Location: Currently not on view

Physical Description: metal (overall material); rubber (overall material); paper (overall material); plastic (overall material)
Measurements: overall: 33 cm x 47 cm x 49 cm; 13 in x 18 1/2 in x 19 9/32 in

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