Two Russion calculating machines: `Contex 2' and `Contex 30'. The first with a handbook

Made:: 1970-1975 in Rossiya and Russia

Two Russion calculating machines: `Contex 2' and `Contex 30'. The first with a handbook, c. 1970

Contex 30 calculator with handbook

1970-1975

Contex 2 calculator

1970-1975

Details

Category:: Mathematics

Object Number:: 1991-377

type:: calculating machine

credit:: Auction Team Koln

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