Testing Electric-Light Carbons, March 29, 1881

Title: Testing Electric-Light Carbons, March 29, 1881
Author: Thomas A. Edison
Date Executed: 1880-07-28
Date Filed: 1880-08-09
Date Issued: 1881-03-29
Type: Patent Issued
Subject: Electric Light and Power
Document ID: PAT239372
Has Format: https://iiif.archive.org/iiif/edisonpatent239372/manifest.json
Rights: Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.
Publisher: The Thomas A. Edison Papers