STROBOSCOPIC VELOCITIES IN THE TONOSCOPE 



55 



TABLE I. 

 (f =totaI number of simple images counted in t sees., by stop watcli) 



2.70 

 2.77 

 1.78 

 1.75 

 0.78 

 .78 

 motio 

 1.11 

 1.16 

 1.13 

 2.14 

 2.22 

 2.12 

 2.14 

 accur 



2.94 

 3.12 

 2.87 



00 

 31 

 56 

 50 

 58 

 2.50 

 1.63 

 1.66 

 0.66 

 .66 

 .66 

 0.32t) 

 .333 

 1.33 

 1.26 

 1.29 

 2.24 

 2.22 

 2.54 

 3.00 

 2.46 

 2.83 



2.67 

 3.03 

 2.96 

 3.00 



1.94 

 2.15 

 2.08 

 2.17 

 1.08 

 1.08 

 1.00 



f(av.) 



(— )2.73 

 '(— )i'.76 



(— )0.78 

 n up 



1.13 



2.15 

 ate count 



Count 

 uncertain 



(— )2.9S(?) 



(— )2.49 

 '(— )l'.'64 



(— )0.66 



0.33 



1.29 



2.23 

 Count 

 uncertain 



2.71 



(— )2. 



(— )1.0o 



f+nl 



N 



( — )2.91 1.0012 



1.0008 

 1.0008 

 1.0000 



0.9992 



.9992 



1.0007 

 1.0000 



1.0000 

 1.0000 



0.9992 



.9992 



l.OOOO 



1.0000 



