466 Dr. Herschei/s Experiments on the solar, and 



yist Experiment, 





Candle. Orange glass. 





6oi 6o£ 





63I 61%...%}: 



% 



o' 



5 <>3i 



It stops 560 rays of flame-heat. 



% 



72^ Experiment. 



0' 



Candle. Yellow glass, 



6of 6o| 



5 



It stops 583 rays 



63I 6j|-. : .g:l|.= ,417 



of flame-heat. 





73^ Experiment. 



0' 



Candle. Pale-green glass. 

 6o$ 60$ 



5 



It stops 500 rays 



Hj 6 2 f ...3: ^ = ,500 

 of flame-heat. 





742/j Experiment. 



0' 



Candle. Dark-green glass. 



61-1 6i| 



It stops 739 rays of flame-heat. 



ygtb Experiment. 



Candle. Bluish-green glass. 



0' 6i£ 6i£ 



It stops 652 rays of flame-heat. 



