Page:Popular Science Monthly Volume 61.djvu/158

This page has been validated.
152
POPULAR SCIENCE MONTHLY.


 
PSM V61 D158 Plumose quinidine and cinchonidine.png
Fig. 13. Plumose Quinidine. 70 Diameters. Polarized Light. Fig. 16. Cinchonidine. 50 Diameters. Polarized Light.
 
PSM V61 D158 Platino cyanide of magnesia and bichromate of potash crystals.png
Fig. 14. Platino-cyanide of Magnesia. 70 Diameters. Polarized Light. Fig. 17. Bichromate of Potash Crystals. 70 Diameters. Polarized Light.
 
PSM V61 D158 Crystal of aaco3 in india rubber plant and brucine crystal.png
Fig. 15. Crystal of CACO3 in India Rubber Plant, 120 Diameters. Fig. 18. Brucine Crystal. 70 Diameters. Polarized Light.