94 j:j ''^ REPORTS ON THE STATE OF SCIENCE. — 1919. 



Mbs. 



Diagram 1. 



o MercLiru Barometer i 

 -e- .. .. 2 



• AneroLd •• 



loia-o 



W.M.S. "Plucky? 

 Set^t I, 1919 



-W *■ 



L > 



-W- 



"To To 



J .1 



Mbs. 



SO 40" 



Diagram 2. 



o o 



Mercurij Barometer 

 • Aneroid " 



I0I70 



J_ 



-« W >- < [ >• < W *• ■< L *■ 



2lHr. . , . I . I . 



"20 30 40 50 



Diagram 3. 



To 20 3o 



• W — » 



c- 



-N- -^5- 



To To 



Fig. 4 



