from the lamp equal having similar squares, for a certain number of minutes the light of a standard candle, and at the same time to the light of the sun, and afterward developed, by dis- to see that the reading of the galvanometer is zero. solving out, with hot water, the parts of the film un- The… … Fig. 2.-DIAGBAM OF CIBCUITS. Fig. 3.-SENSIT0METEB SCBEEN. mated one lamp will, on this account, be good for sev- eral thousand tests before the variation of the light will amount to more than one per cent. trifle more dense than its neighbor, and they are dis- dependent of the galvanometer, it is…
Patented · Munn · Patents · Scientific American · Contained · Candle power · Brass rod · Special Construction · Ten pounds · Horse power · Sulphuric acid · Wheel base · Address munn · Bell telephone
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