VideoRecorder EL3402A 1"Reel Beeldfout (Toestel of techniek)

door Maurice , Dordrecht, 08-11-2020, 13:21 (1258 dagen geleden) @ Roland Huisman

Roland,
Destijds was het de defenitie van kennelijk.
De Anita 8 werkt toch nog iets met glas.
Is ieder geval een hele vroege.

A few other calculator manufacturers in Europe and Japan claim that they were the first to develop an all-transistor calculator, but the simple fact is that Friden announced the Friden 130 nearly six months before these other manufacturers even displayed prototypes of their transistorized calculators. Earlier electronic calculators used relays or vacuum tubes, such as the Casio 14-A relay calculator (1956), or the tube-based Sumlock Comptometer/Bell Punch Anita C/VIII (1961). Along with being the first all-transistor calculator, the Friden 130 pioneered the use of Reverse Polish Notation (RPN),

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