Ore milling equipment, probably the metallurgical laboratory, Building 4.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Edison chemistry laboratory, Building May 17, 1919.
Pattern shop, Building looking south, ca.
Edison with Charles Schwab entrance Building 1912.
Edison Building 1906.
x
.
Chemistry laboratory, Building looking north, June 1928.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.
Figure 42.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 37.
Edison Building looking south, February 1908.
Edison Building 1906.
Figure 28.
Figure 41.
Figure 39.
Figure 33.
Edison with Francis Arthur Jones Building 1906.
Chemistry laboratory, Building February 24, 1911.
Figure 43. Synthetic Resins and their Plastics, Carleton Ellis.
Chemistry laboratory, Building looking north, ca.
Figure 24.
Figure 44.
Figure 25. 1930.
Chemistry laboratory, Building looking north, 1910.
Chemistry laboratory, Building looking north, July 1954.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.
Figure 34.
Figure 38.1910.
Figure 40.
Figure 26.
Figure 31.
Figure 36.1910.1890.
Figure 27.
Figure 35.
Chemistry laboratory, Building looking north, September 1915.
Edison Building ca.
Pattern shop, Building looking north, January 1917.Figure 23.
Figure 30.
Phenol condenser.
Figure 45,
Figure 46.1905.
Figure 29.
Edison chemistry laboratory, Building ca.
Figure 32.
Figure 47.
Edison's desk chemistry laboratory, Building ca.
Edison and assistant Building 1906
