ity; but the amount of blue necessary to counterpoise the system would be much greater, Fig. the emerald green disk which just balances it and pro- the sand is to hold the crystals in place. It plays no active part in the experiment. Thecrystals must not duces white light is 1°7, Fig. 4. 11. Green… … that in all these experiments, ; pidity of growth will next be observed. The iron in the course of a few hours the disks are compounded of two capable of slid- required to neutralize the others is a minimum, which will have sent up its filaments several inches, while ing one above the other, so as…
Internet Archive · Public domain (published before 1931). Free to use for anything.
