502 Dr. Herschel's Experiments on the solar, and 



204//) Experiment. 



White paper. White muslin scattering. 



°' 731 73% 



5 771 7^.-. 4:3i = > 8 75 



White muslin scatters 875 rays of heat, and 827 of light. 



205^/j Experiment. 



White paper. White pcrsian scattering. 



°' 741 74J- 



"White persian scatters 1074 rays of heat; and, when sus- 

 pended like the black muslin in the 201st experiment, it scat- 

 ters 671 rays of light, 



2,06th Experiment. 



White paper. White knit worsted j rough side outwards. 



5 £2# 53i--- 1 l :2 = 1 » 2 3i 



White worsted scatters 1231 rays of heat, and 620 of light. 



207^ Experiment. 



White paper. White chamois leather ; the smooth side 



exposed. 



74s- 74i 



78| 79... 3 |: 41 = 1,167 



White chamois leather scatters 1167 ra y s °f neat > and 1228 



of light. 



208^ Experiment. 



Black paper. • Black velvet scattering. 



75i 75i 



79t 80... 3^:41 =1,179 



