Building southeast comer,
September 23, 1911.
Figure 146.
Figure 150. Gatehouse, January 1917.
Figure 151. Dynamo room, Building ca.
Figure 144.
Figure 147.
XV
.
Figure 140. Phonograph speaker experimental room, third floor. Gatehouse, 1902-1903. Phonograph testing room, third floor, Building northwest corner, 1911-1912. Music room, third floor, Building looking west, 1917.
Figure 143. Charles Dally, third floor, Building looking southwest, February 1913.
Figure 145.Figure 138. Ground plan dynamo room, Building 1889. Edward Cary, NPS guide and former Edison employee, souvenir stand inside
gatehouse, April 22, 1969.1890. Dynamo room, Building date unknown. Gatehouse, 1890-1892. Bill Lyman, Photographic service department, third floor, Building looking south,
January 1917.
Figure 148. Third floor, Building north side, looking east, 1914.
Figure 141.
Figure 142.
Figure 149.
Figure 139. Fred Ott’s room, third floor, Building southwest comer, April 1914