Figure 38.
Edison with Francis Arthur Jones Building 1906.
Phenol condenser.
Figure 39.
Edison chemistry laboratory, Building ca.
Figure 45,
Figure 46.
Figure 31.
Edison Building 1906.
Chemistry laboratory, Building February 24, 1911.
Figure 28.
Edison Building 1906.
Figure 42.
Figure 26.
Figure 35.
Chemistry laboratory, Building looking north, June 1928.
Chemistry laboratory, Building looking north, 1910.
Figure 30.
x
.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Edison's desk chemistry laboratory, Building ca.
Figure 32.
Edison and assistant Building 1906.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Pattern shop, Building looking north, January 1917.
Figure 36.
Pattern shop, Building looking south, ca.
Edison Building ca.
Figure 33.
Figure 29.
Figure 34.Figure 23.
Edison Building looking south, February 1908.
Figure 37.
Chemistry laboratory, Building looking north, July 1954.
Figure 43.
Figure 41.
Figure 44.1910.1910.
Figure 47.1905. Synthetic Resins and their Plastics, Carleton Ellis.
Edison chemistry laboratory, Building May 17, 1919.
Edison with Charles Schwab entrance Building 1912.
Figure 25.
Figure 24.
Chemistry laboratory, Building looking north, September 1915.1890.
Figure 27.
Figure 40.
Chemistry laboratory, Building looking north, ca. 1930.
Edison his worktable the chemistry laboratory, looking north, Building 2
