File:Patent by T. A. Edison for a Electric Vote-Recorder, US90646.pdf
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current | 22:37, 22 February 2024 | ![]() | 1,158 × 1,702, 3 pages (233 KB) | Bayoustarwatch | Uploaded a work by Thomas Edison from UNITED STATES PATENT OFFICE. THOMAS A. EDISON, OF BOSTON, MASSACHUSETTS,ASSIGNOR TO HIMSELF AND DEWITT C. ROBERTS, OF SAME PLACE. IMPROVEMENT IN ELECTROGRAPHIC VOTE-RECORDER. Specification forming part of Letters Patent No. 90,646, dated June 1, 1869. https://patentimages.storage.googleapis.com/ed/51/f2/1d6578141489ca/US90646.pdf with UploadWizard |
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