Bill Lyman, Photographic service department, third floor, Building looking south,
January 1917. Edward Cary, NPS guide and former Edison employee, souvenir stand inside
gatehouse, April 22, 1969. Dynamo room, Building date unknown.Figure 138.
Figure 141.
Figure 145.
Figure 146.
XV
. Building southeast comer,
September 23, 1911. Phonograph speaker experimental room, third floor.
Figure 147. Fred Ott’s room, third floor, Building southwest comer, April 1914.
Figure 139.
Figure 150.
Figure 143. Music room, third floor, Building looking west, 1917. Gatehouse, January 1917.
Figure 151.
Figure 144.
Figure 149. Gatehouse, 1902-1903.
Figure 142.
Figure 148.
Figure 140. Phonograph testing room, third floor, Building northwest corner, 1911-1912. Charles Dally, third floor, Building looking southwest, February 1913.1890. Dynamo room, Building ca. Gatehouse, 1890-1892. Ground plan dynamo room, Building 1889. Third floor, Building north side, looking east, 1914
