Physical Slide Rule "Section Indicator" c. 1922
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Physical Slide Rule "Section Indicator" c. 1922
Distributed by "Techn. Büro Ing. Guggenheim", Munich, Germany, engraved brass, for the calculation of cable thickness, with instruction sheet and original shipping envelope, enormous former sales price: 5,496 RM. - Extremely rare!
Physikalischer Rechenschieber "Querschnittzeiger", um 1922
Vertrieb: "Techn. Büro Ing. Guggenheim, München", graviertes Messing, zur Berechnung von Leitungsstärken, mit Anleitung und Original-Versandumschlag. Damaliger Verkaufspreis: 5.496 RM. - Äußerst selten!
Distributed by "Techn. Büro Ing. Guggenheim", Munich, Germany, engraved brass, for the calculation of cable thickness, with instruction sheet and original shipping envelope, enormous former sales price: 5,496 RM. - Extremely rare!
Physikalischer Rechenschieber "Querschnittzeiger", um 1922
Vertrieb: "Techn. Büro Ing. Guggenheim, München", graviertes Messing, zur Berechnung von Leitungsstärken, mit Anleitung und Original-Versandumschlag. Damaliger Verkaufspreis: 5.496 RM. - Äußerst selten!
Condition
(3/2)
Buyer's Premium
- 22.5%
Physical Slide Rule "Section Indicator" c. 1922
Estimate €150 - €300
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