48oth 





66oth 



54ut.h 



7201! 



Gooth 



840111 



SHADOWGRAPHS OF A ROSE-BUD OPENING 



840 X-rays made at 5 Minute Intervals for Three Days and Nights. Each Shadowgraph was 

 Copied into the Standard 35 mm. Film. The Blossom Lasted Three Times as long as 



similar ones not X-rayed 



