Figure 120. Precision machine shop, second floor, Building center aisle, looking east, May 2,
1914.1910.
Figure 121.
Figure 119. Drafting room/engineering office, second floor, Building looking west, September
1915.Figure 118.
Figure 126. Third floor, adjoining Music room, Building south side, looking west, ca.
Figure 133.
Figure 125. Precision machine shop, second floor, Building north aisle, looking east, April
1914. Precision machine shop, second floor Building north aisle, looking west. Small cell testing room, third floor, Building north side, looking east, ca. Precision machine shop, second floor, Building south side, looking east, April
1914. Precision machine shop, second floor, Building northwest comer, north aisle,
looking west, April 1914. Charles Dally with X-ray apparatus, experimental room second floor, Building 5,
ca.
Figure 130. Experimental room, probably room second floor, Building after April 1914.
Figure 134, Small cell testing room, third floor, Building northeast corner, 1910. Precision machine shop, second floor, Building northwest comer, 1914-1915. Precision machine shop, second floor Building north aisle, looking west, April
1914. Edison precision machine shop, second floor, Building looking west, January
1915.
Figure 131.1910. Precision machine shop, second floor, Building center aisle, looking east, April
1914.
Figure 136.1910.
xiv
. Third floor, Building 5. Music room, third floor, Building looking south, 1904-1905. Small cell testing room, third floor, Building north side, looking west, ca.1904.
Figure 132.
Figure 137. Precision machine shop, second floor, Building looking toward southeast comer,
September 1939. Drafting room/engineering office, second floor, Building looking east, April 1914. May
1904.
Figure 129.
Figure 128.
Figure 135.
Figure 123.
Figure 122.
Figure 124.
Figure 127
