Adding Machine (Exactus Mini-Add)

Exactus Business Machines, Manufacturer

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Maker and Role
Exactus Business Machines, Manufacturer
Production Date
An Exactus adding machine. The Exactus Mini-Add is unusual in that a flap is flipped across to change from addition mode to subtraction mode. A steel rod, pointed at one end, is provided to use as a slider in the system. The calculator is housed in a black rexine pouch. The bottom half of the pouch has a flap to hold the 12-month guarantee sheet (see 1981.324.2).
Processed Material/Metal
Processed Material/Metal/Aluminium
Signature/Marks and Type
EXACTUS Trade Mark MINI-ADD Made in England Printed
Accession No
Credit Line
Exactus Business Machines. 1950s-1960s. Adding Machine (Exactus Mini-Add), 1981.324.1. The Museum of Transport and Technology (MOTAT).

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