Precision machine shop, second floor, Building looking toward southeast comer,
September 1939. Precision machine shop, second floor Building north aisle, looking west. Small cell testing room, third floor, Building north side, looking east, ca.
Figure 123. Experimental room, probably room second floor, Building after April 1914.
Figure 126.
Figure 127. Precision machine shop, second floor, Building northwest comer, 1914-1915.
Figure 122.
Figure 121. May
1904.
Figure 125. Music room, third floor, Building looking south, 1904-1905.
Figure 137.1910. Precision machine shop, second floor Building north aisle, looking west, April
1914.
Figure 120.
Figure 133.
Figure 136.
Figure 131. Precision machine shop, second floor, Building north aisle, looking east, April
1914.
Figure 128. Drafting room/engineering office, second floor, Building looking east, April 1914. Edison precision machine shop, second floor, Building looking west, January
1915.1910.
Figure 129.
Figure 119. Third floor, adjoining Music room, Building south side, looking west, ca. Small cell testing room, third floor, Building north side, looking west, ca. Precision machine shop, second floor, Building northwest comer, north aisle,
looking west, April 1914.
Figure 132.1904.
Figure 135. Precision machine shop, second floor, Building center aisle, looking east, May 2,
1914.1910. Third floor, Building 5.
Figure 134, Small cell testing room, third floor, Building northeast corner, 1910.
Figure 124. Precision machine shop, second floor, Building center aisle, looking east, April
1914.
Figure 130. Precision machine shop, second floor, Building south side, looking east, April
1914.
xiv
.Figure 118. Charles Dally with X-ray apparatus, experimental room second floor, Building 5,
ca. Drafting room/engineering office, second floor, Building looking west, September
1915
