National Geographic : 1947 Sep
Lens of a Giant Eclipse Camera Gets a Final Cleaning Perched on the huge tube of the instrument, Leo W. Scott wipes away all traces of dust and dirt in preparation for photographing the sun's corona (Plate I). The lid that protects the lens is open. The electric cable at the left operates the shutter. Expedition's Military andScientific Leaders Compare Notes Col. Paul C. Schauer, Army Air Forces project officer, stationed inBrazil, and Dr. Lyman J. Briggs, chairman oftheNational Geographic Society's Re search Committee, discuss plans for observing theeclipse. They stand beside one of the AAF's transport planes.