Bell ringer: Difference between revisions
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File:KemtronAutomaticBellRinger.jpg| | File:KemtronAutomaticBellRinger.jpg|[[Kemtron Corporation]] automatic bell ring. | ||
File:Bell ringer example.jpg|Example of bell ringer. Photo provided by Harlock. | File:Bell ringer example.jpg|Example of bell ringer. Photo provided by Harlock. | ||
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Revision as of 12:14, 25 November 2019
Kemtron Corporation automatic bell ring.
Example of bell ringer. Photo provided by Harlock.
History
From The Miniature Locomotive, September-October 1953
- At the regular meeting of the Golden Gate Live Steamers of June 12th, 1953, Alvin Mueller gave a very interesting lecture and demonstration of an automatic bell ringer in 1 inch scale and kept the bell ringing for most of the evening by compressed air.
Patent
US Patent 962688 "Automatic bell-ringer" Figure 1.
US Patent 962688 "Automatic bell-ringer" Figure 2.
