San Francisco : Architect and Engineer, Inc · leaf 161
ouds or fog above theground. W^e turn on the ceiling light thatis pointed upward at a certain angle, andlocated at a certain distance from the con-trol room. By sighting a pointer at thespot of light on the cloud, the height of theceiling is read directly from the scale. Thisinformation is given to… … CARVED OAK PANEL BY RUDOLPH T. SCHWARTZ SPAIN A Portfolio of Camera Sketches hy Lothar C. Maurer IV. (Chimneys
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