Improvements in Electric Clocks

Improvements in Electric Clocks

126,590. Collins, N., and Wallis, A. G. Jan. 27, 1919. Electric clocks.-In Hipps' contact mechanism, the strip e which is pressed down by the wiper c is furnished with one or two branches p, n which make the circuit at a pin x on the crutch a, and are left out of contact when the pendulum passe...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ABRAHAM GRAY WALLIS, NORMAN COLLINS
Format: Patent
Sprache:eng
Schlagworte:
ELECTROMECHANICAL CLOCKS OR WATCHES
HOROLOGY
PHYSICS
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Beschreibung
Zusammenfassung:126,590. Collins, N., and Wallis, A. G. Jan. 27, 1919. Electric clocks.-In Hipps' contact mechanism, the strip e which is pressed down by the wiper c is furnished with one or two branches p, n which make the circuit at a pin x on the crutch a, and are left out of contact when the pendulum passes the vertical.