Figure 43.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.1910.
Figure 41.
Pattern shop, Building looking north, January 1917.Figure 23.
Chemistry laboratory, Building looking north, June 1928.
Phenol condenser.
Chemistry laboratory, Building February 24, 1911.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Edison and assistant Building 1906.
Edison Building ca.
Edison with Francis Arthur Jones Building 1906.
Figure 38.
Edison chemistry laboratory, Building May 17, 1919.
Figure 25.
Edison with Charles Schwab entrance Building 1912.
Pattern shop, Building looking south, ca.
Edison's desk chemistry laboratory, Building ca.1905.
Edison Building 1906.
Figure 45,
Figure 46.
Edison Building looking south, February 1908. Synthetic Resins and their Plastics, Carleton Ellis.
Figure 24.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Figure 29.
Figure 34.
Chemistry laboratory, Building looking north, ca.
Chemistry laboratory, Building looking north, July 1954.
Figure 37.
x
.1890.
Figure 40.
Figure 44.
Chemistry laboratory, Building looking north, September 1915.
Figure 32.
Figure 35.
Figure 47.
Figure 30.1910.
Chemistry laboratory, Building looking north, 1910.
Figure 28.
Figure 31.
Edison chemistry laboratory, Building ca.
Edison Building 1906.
Figure 26.
Figure 27.
Figure 36. 1930.
Figure 42.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 39.
Figure 33
