US Number-Issued Patents (1836-1861, 1866-1920)
Improvement in circuit-changers for electro-magnetic telegraph
Files
Patent Date
1851-09-02
Patent Number
8340
Location
Macon, Bibb County
Copyright
This work is archived and distributed under the repository's Standard Copyright and Reuse License (opens in new tab). End users may copy, store, and distribute this work without restriction. For all other uses, permission must be obtained from the copyright owners or their authorized agents.
Recommended Citation
Buckley, Charles, "Improvement in circuit-changers for electro-magnetic telegraph" (1851). US Number-Issued Patents (1836-1861, 1866-1920). 103.
https://digitalcommons.georgiasouthern.edu/georgiavation-collection/103
