Figure 146.
Figure 147. Gatehouse, 1902-1903.
Figure 145.
Figure 150. Dynamo room, Building ca.
Figure 149.
Figure 140. Building southeast comer,
September 23, 1911.
Figure 139. Fred Ott’s room, third floor, Building southwest comer, April 1914. Ground plan dynamo room, Building 1889. Gatehouse, 1890-1892.
Figure 144. Dynamo room, Building date unknown. Charles Dally, third floor, Building looking southwest, February 1913. Gatehouse, January 1917.
XV
. Music room, third floor, Building looking west, 1917.
Figure 142. Edward Cary, NPS guide and former Edison employee, souvenir stand inside
gatehouse, April 22, 1969. Phonograph testing room, third floor, Building northwest corner, 1911-1912.1890.
Figure 141.Figure 138. Phonograph speaker experimental room, third floor. Bill Lyman, Photographic service department, third floor, Building looking south,
January 1917.
Figure 143.
Figure 148.
Figure 151. Third floor, Building north side, looking east, 1914
