Improvement in Devices For Ringing Bells.
Description:
Patent for an improvement to a mechanism that externally strikes a bell to ring it, "applicable to fire, hotel, school, church, factory and other bells. By it the striking may be performed with great rapidity and regularity" (para. 10).
Date:
September 18, 1877
Creator:
Perry, Elton
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department