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Scientific American, Vol. 91, No. 19 (1904) (1904)

leaf 11

An illustration from Scientific American, Vol. 91, No. 19 (1904), 1904, leaf 11
g illustration. the observation floor will be changed, and fireproof FiLasu-Lamp.— We show herewith a convenient type partitions will be erected. The Cooper Hewitt lamp is now largely used for the illumination of photo- of flash-lamp arranged for producing light by the burning of chemicals. From… … Thomas Grasty in Southern Farm Magazine. of paper machinery, and for thirty years has been the

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