Patent Diagram – Thomas Edison’s Electric Lamp
Publication
T. A. EDISON
Electric Lamp
Patent Number & Date:
No. 223,898
Patented Jan. 27, 1880
Diagram Details:
Fig. 1: A side view of the electric lamp, showing the filament structure.
Fig. 2: A frontal view of the bulb with internal filament and support structures.
Fig. 3: A smaller schematic of the internal wiring and filament attachment.
Latimer Family Papers (1870-1996 ) [QPL Full Collection]
Inventor: Thomas A. Edison Filed by: Lemuel W. Serrell (Patent Attorney) Witnesses: A. G. Howell, Geo. Trowbridge