Figure 41.
Edison and assistant Building 1906.
Figure 43.
Edison Building looking south, February 1908. 1930.1910.1910.
Figure 28.
Edison chemistry laboratory, Building May 17, 1919.
Figure 38.
Chemistry laboratory, Building looking north, September 1915.
Figure 34.
Edison's desk chemistry laboratory, Building ca.
Edison Building 1906.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Figure 47.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Chemistry laboratory, Building looking north, July 1954.1890.
Figure 42.
Figure 40. Synthetic Resins and their Plastics, Carleton Ellis.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Edison his worktable the chemistry laboratory, looking north, Building 2.1905.
Pattern shop, Building looking north, January 1917.
Figure 27.Figure 23.
Edison Building ca.
Figure 26.
Chemistry laboratory, Building looking north, ca.
Figure 32.
Phenol condenser.
Figure 33.
Edison with Francis Arthur Jones Building 1906.
Figure 30.
Chemistry laboratory, Building February 24, 1911.
Figure 35.
Edison Building 1906.
Figure 24.
Figure 36.
Figure 29.
Figure 39.
Figure 45,
Figure 46.
Edison chemistry laboratory, Building ca.
Pattern shop, Building looking south, ca.
Chemistry laboratory, Building looking north, June 1928.
x
.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 31.
Figure 25.
Edison with Charles Schwab entrance Building 1912.
Figure 44.
Figure 37.
Chemistry laboratory, Building looking north, 1910
