ICT Type 542 Electronic Multiplier & Type 550 Electronic Calculator Operator's Manual

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ICT Operator's Manual for the Type 542 Electronic Multiplier with Type 238 Gang Punch and Type 550 Electronic Calculator with Type 239 Gang Punch Operators Manual.

90 Pages illustrated with charts and diagrams

Kindly donated by Julia Haylett on behalf of her husband Albert John Haylett who worked for ICT


Reference Number : 2091 (4.56)

Date Published : April 1956

Manufacturer : ICT

Platform : 550/2

 

 

 

 

 

This exhibit has a reference ID of CH10779. Please quote this reference ID in any communication with the Centre for Computing History.
 

ICT Type 542 Electronic Multiplier & Type 550 Electronic Calculator Operator's Manual

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