d of running to- Traube's general directions. The various salts were ward it begin to run away from it, there is an instan- solution of water glass they become enveloped in light blue pellicleV of copper silicate and these silicate cells thrown into a 5 per cent solution of potassium ferro- taneous… … was designed and built for the United States vised by one of my pupils—a minor. In SPECIAL CAMERA FOR COPYING AND ENLARGING. Geological Survey for photographing fossils La Revue of January, 1907, I showed that or other similar objects. In photographing this alleged discovery was only a repetition…
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