Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 839
Fig- 775. experiment, which is made by the photo-electric microscope already de-scribed (fig. 573), the two charcoals can be readily distinguished, and thepositive charcoal is seen to become somewhat hollow and diminished, whilethe other increases. The globules represented on the two charcoals…
Physics
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