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