Bidspirit auction | C. Robinson Patent Model EM


C. Robinson Patent Model EM Bell Ringer, 1864 - Patent model for Electro Magenetic mechanism for Ringing Bells by C. Robinson. Has what appears to be original hand written patent tag (patent No. 45347) with patent date of December 6 1864, and the handwritten patent application tag dated June 20 1864. Model is made of metal. Measures approximately 7.75” x 3.25” x 7.75” tall. Weight: approximately 10.3 pounds. Signs of wear and oxidation. Gears are fixed in place. Please see photos for details and condition.