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EGLI MADAS CALCULATING MACHINE No 8966, Zurich, c.1913, japanned brass, 10 window result register, 9 window revolution register, 9 input levers, carriage bell, image 1
EGLI MADAS CALCULATING MACHINE No 8966, Zurich, c.1913, japanned brass, 10 window result register, 9 window revolution register, 9 input levers, carriage bell, image 2
Lot 46

EGLI MADAS CALCULATING MACHINE
No 8966, Zurich, c.1913, japanned brass, 10 window result register, 9 window revolution register, 9 input levers, carriage bell,

5 November 2020, 10:00 PST
Los Angeles

Sold for US$828.75 inc. premium

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EGLI MADAS CALCULATING MACHINE

No 8966, Zurich, c.1913, japanned brass, 10 window result register, 9 window revolution register, 9 input levers, carriage bell, 605 x 195 x 145 mm (23 3/4 x 7 5/8 x 5 1/2 inches), Union Zeiss, Frankfurt label to top and Plysan at side, rubber feet.
Provenance: The Computer History Collection of Serge Roubé.

The MADAS (Multiplication, Automatic Division, Addition, Subtraction), was an improvement on Egli's earlier calculating machine "The Millionaire." The MADAS was based on a stepped gear mechanism and could perform automatic division.

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