144 Dr. Watson on the Determination of the 



Dummy Bar No. 1 (in narrow box) con. 

 Period. 



163743 

 16-3739 

 16-3740 

 16-3734 

 16-3732 

 16-3734 



'emperature. 



Pressure. 



Logarithmic 





cms. 



Decrement. 



15-9 



7-4 



•0088 



15-9 



7-4 





15-9 



7-4 



•0087 



15-5 



8-2 



•0087 



15-5 



8-1 



•0089 



15-5 



8-1 





Means ...163737 



15-7 



7-8 



•0088 



Dummy only. 





14-6275 



16-9 



75-8 



•0039 



14-6278 



173 



75-8 





146273 



17-7 



75-8 



•0038 



14-6275 



17-9 



75-8 





14-6292 



17-7 



75-6 



•0038 



14-6286 



17-7 



75-6 





14-6292 



17-8 



75-6 



•0038 



14-6290 



17-8 

 17-6 



75-6 



75-7 





Means... 14-6281 



•0038 



14-6215 



17-3 



6-6 



•0028 



14-6192 



173 



6-4 





14-6205 



17-2 



6-3 



•0031 



14-6195 



17-2 



6-2 





14-6196 



17-2 



6-2 



•0028 



14-6194 



17-2 



6-2 





Means... 14-6198 



172 



6-3 



•0029 



Increase o£ Moment of Inertia due to the Air. 

 Dummy alone. 



Period. 



251 



9-44 



14-62 



[ Diff. of 

 'Pressure 



70-0 

 69-3 

 69-4 



k v 



Increase of Moment j Condition of Bos in 

 of Inertia for 76 cm. I which, the System 

 Air-pressure. was swung. 



•281 

 •362 

 •315 



Mean... "349 

 Dummy ivith Inertia Bar No. 1. 



4-35 

 1638 

 16-38 

 16-38 



69-8 



■637 



■693 



Shut. 



68-9 



•618 



•682 



Shut. 



68-6 



•528 



•594 



Open. 



68-8 



•511 



•511 

 Meau...'620 



Narrowed 



