534 Resistance of Air below One Thousand Feet a Second. 



plotted from the table and shown in fig. 3 ; however, they 

 will be attended to before the research is finished. 



Fior. 3. 



40 



.30 



'>b 



10 







































I 





































i 







































1 





































i 



i 











































































i 





































/ 







































/ 









2 





























•/ 











! 



























• 



V 





































■7 





































/ 





































/ 



< 





































/' 



































tf 



/> 



































rS 



X 











































































FEET 



PER 



iEC 



OND 

















100 200 300 400 500 600 700 800 900 



Resistance of 3f f inch Sphere. 



Mass of 

 Ball. 



Temp. 



Earom. 



h t . 



h. r 



K 



v. 



E. 



gm. 



230-2 



cleg. O. 

 24-6 



mm. 



mm. 



mm. 



mm. 



ft. sec. 



lb. 



761-1 



208-533 



270-325 



340-851 



243-68 



1-313 



229-2 



24-8 



761-4 



239-554 



285-422 



339-554 



321-40 



2-482 



200-0 



24-2 



760-1 



271725 



314-901 



361-947 



385-64 



4124 



359-6 



25-2 



761-6 



346-863 



389-618 



435-251 



438-05 



5-582 



226-7 



241 



762-2 



301-296 



336-740 



374-704 



490-03 



7-802 



163-5 



26-9 



7598 



414-574 



450-925 



489-615 



554-95 



10-243 



226-7 



26-7 



760-2 



256-457 



282-905 



311-143 



603-24 



13-274 



226-7 



24-2 



762-8 



264-426 



293274 



324-073 



70686 



21-796 



224-6 



24-6 



761-5 



172-468 



187-467 



203-458 



866-34 



37-602 



I 226-7 



26-6 



759-7 



200372 



215-361 



231-261 



931-53 



44-862 



h v h 2 , 7i 3 , distances from zeros to record interruptions. 



v = - ^T" ' 2 , mean velocity of projectile. 



E, resistance of projectile in pounds weight. 



