L'Infaillible Spiral Mechanical Calculator, c. 1905
"L'Infaillible" Spiral Mechanical Calculator, c. 1905
By Zephir, Paris. Aluminum, Ø 6 ¾ in., with spiral sliding slot for indicating the hundreds.
Scheibenaddierer "L'Infaillible", um 1905
Zephyr, Paris. Aluminium, Ø 17 cm, Hunderterübertragung mit Marker auf Spiralbahn.
Start Price: EUR 120
Condition Report: (2/2)
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"L'Infaillible" Spiral Mechanical Calculator, c. 1905
By Zephir, Paris. Aluminum, Ø 6 ¾ in., with spiral sliding slot for indicating the hundreds.
Scheibenaddierer "L'Infaillible", um 1905
Zephyr, Paris. Aluminium, Ø 17 cm, Hunderterübertragung mit Marker auf Spiralbahn.
Start Price: EUR 120
Condition Report: (2/2)
