Chemistry laboratory, Building looking north, 1910.
Chemistry laboratory, Building February 24, 1911.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Chemistry laboratory, Building looking north, July 1954.
Edison chemistry laboratory, Building ca.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Figure 47.
Pattern shop, Building looking north, January 1917.
Figure 37.1910.
Figure 45,
Figure 46.
Edison Building 1906.Figure 23.
Figure 25.
Edison chemistry laboratory, Building May 17, 1919.
Figure 35.
Figure 27.
Chemistry laboratory, Building looking north, September 1915.
Edison Building ca.
Edison and assistant Building 1906.
Figure 33.
Edison with Francis Arthur Jones Building 1906. 1930.1890.
Edison Building 1906.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Figure 32.
Figure 34.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Figure 36.
x
.
Figure 29.
Phenol condenser.
Edison with Charles Schwab entrance Building 1912.
Figure 41.
Figure 30.
Figure 43.
Figure 40.
Chemistry laboratory, Building looking north, June 1928.1905.1910.
Figure 24.
Figure 42.
Chemistry laboratory, Building looking north, ca.
Edison's desk chemistry laboratory, Building ca. Synthetic Resins and their Plastics, Carleton Ellis.
Edison Building looking south, February 1908.
Figure 38.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Pattern shop, Building looking south, ca.
Figure 44.
Figure 28.
Figure 26.
Figure 31.
Figure 39
