Sinclair Cambridge Type 2 (Prototype Model)

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This calculator appears to be a prototype model of the Sinclair Cambridge (type 2) calculator. The calculator casing does not have any model information marked on it, it does not have a battery compartment, and the ICs on the circuit board have no markings.

The Sinclair Cambridge (type 2) has no K (constant) key, but has automatic constant on all functions. Instead it has both C and CE (clear last entry) keys.

Manufacturer: Sinclair
Date: 1973

Other Systems Related To Sinclair Cambridge Type 2 (Prototype Model):

Item Manufacturer Date
Sinclair Cambridge Universal Sinclair Unknown
Sinclair Executive Type 2 Sinclair Radionics 1972
Sinclair Executive Type 1 Circuit Board Sinclair Radionics 1972
Sinclair Executive Type 1 Sinclair Radionics 1972
Sinclair Executive Memory (Possible Development Model) Sinclair Radionics 1973
Sinclair Executive Memory (Development Model) Sinclair Radionics 1973
Sinclair Executive Memory Sinclair 1973
Sinclair Cambridge (Type 1) Sinclair Radionics July 1973
Sinclair Cambridge Memory (Type 2) Sinclair 1975
Sinclair Oxford 100 (Type 1) Sinclair Radionics 1975
Sinclair Cambridge (Type 3) Sinclair Radionics 1975
Sinclair Scientific Programmable Calculator Sinclair Radionics 1975
Sinclair Cambridge Memory (Type 3) Sinclair 1975
Sinclair Oxford 200 (Type 1) Sinclair Radionics 1975
Sinclair Oxford 200 (Type 2) Sinclair Radionics 1975
Sinclair Oxford 200 (Type 1 - Early Style) Sinclair Radionics 1975
Sinclair Oxford Universal Sinclair Radionics 1975
Sinclair Oxford 300 (Type 2) Sinclair Radionics 1975
Sinclair Cambridge (Type 4) Sinclair Radionics 1975
Sinclair Sovereign (Gold) Sinclair Radionics 1976
Sinclair Enterprise (Early Prototype Model) Sinclair Radionics 1976
Sinclair Oxford Scientific Calculator Sinclair 1976
Sinclair Sovereign (Black) Sinclair Radionics 1976
Sinclair Cambridge Scientific Calculator Sinclair Radionics 1976
Sinclair Enterprise (Possible Prototype Model) Sinclair Radionics 1977
Sinclair Sovereign (Silver Jubilee) Sinclair Radionics 1977
Sinclair Cambridge Programmable Sinclair 1977
Sinclair Cambridge Programmable Sinclair 1977
Sinclair Instrument Wrist Calculator Sinclair Instrument February 1977
Sinclair President Scientific Sinclair 1978
Sinclair President Sinclair 1978
Sinclair Sporting Life Settler Sinclair 1978
Sinclair Enterprise Programmable Sinclair Radionics 1978
Sinclair President (Boxed Version) Sinclair 1978

This exhibit has a reference ID of CH70693. Please quote this reference ID in any communication with the Centre for Computing History.

  

Sinclair Cambridge Type 2 (Prototype Model)


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