Adding machine by London Computator Ltd. model 509/D/50

Made:: 1915-1925 in London

Adding machine by London Computator Ltd. model 509/D/50,224.

Details

Category:: Mathematics

Object Number:: 1980-272

type:: calculating machine

credit:: Mr K. E. Crowe

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Parts

Adding machine by London Computator Ltd. model 509/D/50

Adding machine by London Computator Ltd. model 509/D/50,224.

Object Number:: 1980-272/1

type:: calculating machine

Adding machine component

Circular component associated with adding machine by London Computator Ltd. model 509/D/50,224, possibly a mark or stamp. Text on the component reads 'Guaranteed wholly made in England for the London Computator Corpn Ltd 39. St. James's St. London', with the word 'plus' across the centre.