![](http://www.alamy.com/thumbs/6/2E7639F2-E49A-48A8-ADAD-3498786C0C6D/RYT19E.jpg)
Effects of the rays of Effects of the rays of radium on plants . effectsofraysofr1908gage Year: 1908 EFFECTS OF EXPOSING SEEDS 117 Fig. 15. Experiment 26. Retardation of Growth of Zea Mays by Exposing Grains, before Planting, to a Sealed Glass Tube of Radio-Tellurium. Duration of Exposure, 24 Hours. ^a_3 J II, 10 A B D E 1,800,000 X 1,500,000 X Ra. Tel. Control I mm. mm mm. mm 2 3 4 mm. mm. mm. mm mm. mm. 19,83 mm. mm
Size: 1535px × 1303px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage