Figure 44.
Figure 31.
Chemistry laboratory, Building looking north, July 1954.
Phenol condenser.
Edison Building ca.
Figure 29.
Pattern shop, Building looking north, January 1917.
Ore milling equipment, probably the metallurgical laboratory, Building 4.1910.
Figure 27.
Chemistry laboratory, Building looking north, ca.
Figure 28.
Figure 39.Figure 23.1910.
Figure 35.
Figure 38.
Edison Building looking south, February 1908.
Figure 45,
Figure 46.
Figure 24.
Figure 34.
Pattern shop, Building looking south, ca.
Edison with Charles Schwab entrance Building 1912.
Figure 33.
x
.
Edison's desk chemistry laboratory, Building ca.
Figure 26.
Figure 30.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 47.
Figure 43.
Edison Building 1906.
Chemistry laboratory, Building looking north, June 1928.
Figure 42.
Chemistry laboratory, Building looking north, 1910.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Figure 41. Synthetic Resins and their Plastics, Carleton Ellis.
Chemistry laboratory, Building looking north, September 1915.
Edison chemistry laboratory, Building ca.
Edison chemistry laboratory, Building May 17, 1919.
Edison with Francis Arthur Jones Building 1906.
Figure 32.1905.
Figure 37.
Edison and assistant Building 1906.
Figure 36.
Figure 25.
Chemistry laboratory, Building February 24, 1911. 1930.
Figure 40.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Edison Building 1906.1890
