Patent Model - Improvement in Self-Adjusting Telegraphic Relays
Object Detail
Maker and Role
Lewis Reynolds, Patentee
Date
Sep 29 1868
Object Type
Media
Wood, copper. iron
Dimensions
3 1/2 x 6 x 3 1/2" (8.9 x 15.2 x 8.9cm)
Description
Reynolds's patent improvements include the "double electro-magnet, or two electro-magnets, placed in a helix or helices, with their like poles near each other, and attachment to armature or armature-bar of common relay, so that their repulsion will counteract, or nearly counteract, the attraction of armature of common relay to its own magnet." (Patent Number 82,639)
Collection
Rothschild Patent Model Collection
Object No
2015.14.920
Currently on Display
No
Maker Details