1890. Building southeast comer,
September 23, 1911. Dynamo room, Building ca.
Figure 140. Phonograph speaker experimental room, third floor.
Figure 139.Figure 138.
Figure 148. Gatehouse, 1890-1892. Fred Ott’s room, third floor, Building southwest comer, April 1914.
Figure 144.
Figure 151. Music room, third floor, Building looking west, 1917.
XV
. Bill Lyman, Photographic service department, third floor, Building looking south,
January 1917.
Figure 146. Edward Cary, NPS guide and former Edison employee, souvenir stand inside
gatehouse, April 22, 1969. Third floor, Building north side, looking east, 1914. Ground plan dynamo room, Building 1889.
Figure 141.
Figure 150. Gatehouse, January 1917. Dynamo room, Building date unknown. Charles Dally, third floor, Building looking southwest, February 1913.
Figure 145. Gatehouse, 1902-1903.
Figure 147.
Figure 149. Phonograph testing room, third floor, Building northwest corner, 1911-1912.
Figure 143.
Figure 142
