Collection of United States patents granted to Thomas A. Edison, 1869-1884 (1869)
Edison, Thomas A. (Thomas Alva), 1847-1931, Peters, N. (Norris), lithographer, Hammer, William Joseph, 1858-1934, former owner. DSI, Edison, Thomas A. (Thomas Alva), 1847-1931, inscriber. DSI, United States. Patent Office · Washington, D.C. : U.S. Patent Office · leaf 1037
uce, substantially as set forth. 4. The combination, with the plates of anelectrolytic cell, of insulating blocks or stripsfor holding them a definite and fixed distanceapart, and removable insulating-clamps forbinding the plates and blocks or strips together, 20substantially as described. This… … N. PETERS. Photo-Lithographer. Washington, D. C. United States Patent Office. THOMAS A. EDISON, OP MENLO PARK, NEW JEESEY.ELECTRICAL DROP-LIGHT. SPECIFICATION forming part of Letters Patent No. 251,559, dated December 27,1881. Application filed November 11,1881. (No model.) To all whom it may…
Trade catalogs · Patents · Edison, Thomas A. (Thomas Alva), 1847-1931 · Inventions · Telegraph · Electric machinery · Electric apparatus and appliances · Phonograph · Telephone · Motors
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-871-465.webp)
