Pattern shop, Building looking north, January 1917.
Edison's desk chemistry laboratory, Building ca.
Figure 43.
Figure 37.
Pattern shop, Building looking south, ca.
Figure 30.
Chemistry laboratory, Building February 24, 1911.
Chemistry laboratory, Building looking north, September 1915.Figure 23.
Edison chemistry laboratory, Building May 17, 1919.
Edison Building looking south, February 1908.
Figure 44.
Figure 34.
Edison chemistry laboratory, Building ca.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Figure 39.
Edison with Francis Arthur Jones Building 1906.1910.
Figure 28.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Ore milling equipment, probably the metallurgical laboratory, Building 4.
Figure 27.
Figure 33.
Edison Building ca.
Edison and assistant Building 1906.
x
.
Chemistry laboratory, Building looking north, ca.
Edison with Charles Schwab entrance Building 1912.
Figure 26.
Figure 40. 1930.1905.
Figure 35.
Figure 42. Synthetic Resins and their Plastics, Carleton Ellis.1910.
Chemistry laboratory, Building looking north, July 1954.1890.
Figure 29.
Edison Building 1906.
Figure 24.
Chemistry laboratory, Building looking north, 1910.
Figure 31.
Figure 25.
Figure 38.
Figure 36.
Edison Building 1906.
Figure 32.
Chemistry laboratory, Building looking north, June 1928.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 47.
Figure 41.
Phenol condenser.
Figure 45,
Figure 46.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929
