Figure 23.
Edison with Francis Arthur Jones Building 1906.
Edison Building 1906. 1930.
Figure 26.
Figure 37.
Figure 29.
Edison Building ca.
Figure 40.
Edison Building 1906.
Figure 43.
Chemistry laboratory, Building looking north, June 1928.
Chemistry laboratory, Building looking north, ca.
Chemistry laboratory, Building February 24, 1911.
Edison metallurgical laboratory, Building later than December 1893,
The "Insomnia Squad" Building 4.
Figure 47.
Figure 41.
Figure 42.
Figure 32.
Edison's desk chemistry laboratory, Building ca. Synthetic Resins and their Plastics, Carleton Ellis.
Chemistry laboratory, Building looking north, September 1915.
Ore milling equipment, probably the metallurgical laboratory, Building 4.1910.
Edison and assistant Building 1906.
Edison chemistry laboratory, Building May 17, 1919.
Edison's table, chemistry laboratory, Building looking north, 1915-1917.1890.
Figure 44.
Figure 45,
Figure 46.
Edison with George Hart chemistry laboratory, Building looking north,
December 1929.1905.
Figure 36.
Chemistry laboratory, Building looking north, July 1954.
Figure 27.
Pattern shop, Building looking north, January 1917.
Chemistry laboratory, Building looking north, 1910.
Figure 33.
Edison Building looking south, February 1908.
Figure 28.
Figure 30.
x
.1910.
Pattern shop, Building looking south, ca.
Edison chemistry laboratory, Building ca.
Figure 39.
Edison his worktable the chemistry laboratory, looking north, Building 2.
Phenol condenser.
Figure 24.
Figure 38.
Edison with Charles Schwab entrance Building 1912.
Figure 35.
Figure 34.
Figure 25.
Figure 31
