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