Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 29.
Chemistry laboratory, Building looking north, ca.
Figure 25.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Figure 33.1890.
Chemistry laboratory, Building looking north, September 1915.
Edison chemistry laboratory, Building May 17, 1919.
Figure 41.
Figure 47.1910.
Figure 24.
Figure 26.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Edison Building looking south, February 1908.
Figure 27.
Figure 42.
Phenol condenser.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.1905.
x
.Figure 23.
Figure 36.
Figure 35.
Figure 37. 1930.
Figure 45,
Figure 46.
Edison chemistry laboratory, Building ca.
Edison and assistant Building 1906.
Edison his worktable the chemistry laboratory, looking north, Building 2. Synthetic Resins and their Plastics, Carleton Ellis.
Edison Building 1906.
Figure 30.
Figure 44.
Pattern shop, Building looking south, ca.
Pattern shop, Building looking north, January 1917.
Chemistry laboratory, Building looking north, June 1928.
Figure 39.
Figure 32.
Figure 40.
Figure 38.
Chemistry laboratory, Building looking north, July 1954.
Figure 43.
Edison with Francis Arthur Jones Building 1906.
Edison Building ca.
Edison Building 1906.1910.
Edison with Charles Schwab entrance Building 1912.
Chemistry laboratory, Building February 24, 1911.
Figure 31.
Edison's desk chemistry laboratory, Building ca.
Chemistry laboratory, Building looking north, 1910.
Figure 28.
Figure 34
