A sectioned Sinclair Executive pocket calculator, 1972.
1972
Sectioned Sinclair Executive pocket calculator
1972
Cambridge memory electronic calculator
1974
Plastic case for the Sinclair Cambridge memory electronic calculator
1974
Sinclair Cambridge pocket calculator
1973
Sinclair Cambridge Memory electronic calculator
1974
Original packaging and case for the Sinclair Cambridge pocket calculator
1973
Sectioned Sinclair Executive pocket calculator
1972
Sectioned Sinclair Executive pocket calculator
1972