Demonstration Model "Murphy's Mechanical Movement", c. 1900
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Demonstration Model "Murphy's Mechanical Movement", c. 1900
Invented by Wm. F. Murphy of Long Branch, USA, all-brass construction, hand-turned model of an improved mechanical movement by means of which rotary motion may be multiplied or reduced with a minimum amount of friction, crank consisting of one horizontal and one vertical slider, both running inside a cruciform guide and crossing each other's path, on wood base, 8 ¾ x 5 ½ in. works, with original flyer by the American Patent & Promotion Co.
Demonstrationsmodell "Murphy's Mechanical Movement", um 1900
Erfunden von Wm. F. Murphy aus Long Branch, USA; verbesserter Mechanismus, mit dem Drehbewegungen mit einem Minimum an Reibung vervielfacht oder reduziert werden können. An der Kurbelwelle befindet sich ein horizontaler und ein vertikaler Schieber, die in einer kreuzförmigen Führung laufen. Handkurbel Antrieb, komplett aus Messing, auf Holzplatte, 22 x 14 cm, mit Original-Infoblatt der American Patent & Promotion Co.
Start Price: EUR 240
Invented by Wm. F. Murphy of Long Branch, USA, all-brass construction, hand-turned model of an improved mechanical movement by means of which rotary motion may be multiplied or reduced with a minimum amount of friction, crank consisting of one horizontal and one vertical slider, both running inside a cruciform guide and crossing each other's path, on wood base, 8 ¾ x 5 ½ in. works, with original flyer by the American Patent & Promotion Co.
Demonstrationsmodell "Murphy's Mechanical Movement", um 1900
Erfunden von Wm. F. Murphy aus Long Branch, USA; verbesserter Mechanismus, mit dem Drehbewegungen mit einem Minimum an Reibung vervielfacht oder reduziert werden können. An der Kurbelwelle befindet sich ein horizontaler und ein vertikaler Schieber, die in einer kreuzförmigen Führung laufen. Handkurbel Antrieb, komplett aus Messing, auf Holzplatte, 22 x 14 cm, mit Original-Infoblatt der American Patent & Promotion Co.
Start Price: EUR 240
Condition
(3/3)
Buyer's Premium
- 23.8%
Demonstration Model "Murphy's Mechanical Movement", c. 1900
Estimate €500 - €700
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