cornice guilloche anni 20. Mis tot 89x52 luce 77x40 - Legno
N. 33620093
Venduti
Offerta finale
€ 40
224 settimane fa
Magic Brain Calculator - Una calcolatrice vintage di tipo meccanico ad adduttori, anni '50 -'60 - Alluminio, Plastica, confezione originale
Mechanical Addiator type calculator in its original packaging.
Magic Brain - Made in Hong Kong. 1950s-1960s
It is made up of black plastic frame with a gold aluminium cover for the mechanism. It has six vertical tracks, with numeral "1:9" running alongside. The tracks contain a set of red or black aluminium pieces. Those can be adjusted up and down using a stylus. Above the tracks are seven small windows displaying the numerals which are used in the mathematic equations. The top of the device has a wire bar, that resets all the panels to zero, while the right-hand side features two small plastic clips, usually used to house the stylus pen.
Addition, subtraction and multiplication symbols are printed at the bottom along with the text "ADD," "SUBTRACT," "MULTIPLY."
N. 33620093
Venduti
Magic Brain Calculator - Una calcolatrice vintage di tipo meccanico ad adduttori, anni '50 -'60 - Alluminio, Plastica, confezione originale
Mechanical Addiator type calculator in its original packaging.
Magic Brain - Made in Hong Kong. 1950s-1960s
It is made up of black plastic frame with a gold aluminium cover for the mechanism. It has six vertical tracks, with numeral "1:9" running alongside. The tracks contain a set of red or black aluminium pieces. Those can be adjusted up and down using a stylus. Above the tracks are seven small windows displaying the numerals which are used in the mathematic equations. The top of the device has a wire bar, that resets all the panels to zero, while the right-hand side features two small plastic clips, usually used to house the stylus pen.
Addition, subtraction and multiplication symbols are printed at the bottom along with the text "ADD," "SUBTRACT," "MULTIPLY."
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