"Sumlock" adding/calculating machine no.912/S/3475

Made:: 1950 in England

Details

Category:: Mathematics

Object Number:: 1950-9

type:: calculating machine

credit:: London Computator Ltd.

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Parts

'Sumlock' adding / calculating machine no. 912/S/3475

Object Number:: 1950-9/1

type:: calculating machine

"Sumlock" adding/calculating machine no.912/S/3475

Details

Parts

'Sumlock' adding / calculating machine no. 912/S/3475

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