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