Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 32.
Edison with Charles Schwab entrance Building 1912.
Figure 40.
Figure 25.1910.
Figure 35.
Figure 27.
Figure 24.
Chemistry laboratory, Building looking north, 1910.
Edison Building 1906.
Figure 29.
Figure 47.
Pattern shop, Building looking north, January 1917.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Edison's desk chemistry laboratory, Building ca.Figure 23.
Figure 37.
Figure 44. Synthetic Resins and their Plastics, Carleton Ellis.
Edison chemistry laboratory, Building May 17, 1919.
Figure 38.
Edison and assistant Building 1906.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Edison Building ca.
Figure 33.
Figure 26.
Edison Building looking south, February 1908.1910.
Figure 42.
Edison Building 1906.
Chemistry laboratory, Building looking north, July 1954.
Figure 34.
Figure 28.1890.
Chemistry laboratory, Building looking north, June 1928. 1930.
Figure 43.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Edison chemistry laboratory, Building ca.
Chemistry laboratory, Building looking north, ca.
Phenol condenser.1905.
Figure 39.
x
.
Chemistry laboratory, Building looking north, September 1915.
Chemistry laboratory, Building February 24, 1911.
Figure 36.
Figure 30.
Edison with Francis Arthur Jones Building 1906.
Figure 41.
Figure 31.
Figure 45,
Figure 46.
Pattern shop, Building looking south, ca
