[To face page 115. 



Table II.— Comparison of the time of the principal corresponding points of the Horizontal-Force Curves at Kew and at Lisbon. 



Kew 



Lisbon 



Differences 



Differences 



Ke\y 



Lisbon 



Differences 



fKew.... 

 \ Lisbon. 

 [ Differences 



< Kew 



Differences 



Kew 



Differences 



Kew 



Lisbon 



Differences 



Kew 



Differences 



h m 



Ii m 



li m 



li m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



h m 



9 lo 



9 15 



9 3+ 



10 17 



II 43 



13 43 



17 51 



19 42 



20 40 



















8 37 



8 42 



9 I 



9 43 





13 10 



17 15 



19 10 



20 9 



















o 33 



33 



33 





" 34 





36 























o ^3 

 (>5) 



32 

 (■5) 



1 24 



1 40 



2 33 



2 58 



3 50 



4 09 



4 41 



9 5° 



i8 43 



20 I 













39 





46 





I 5f 



2 22 



3 13 



3 31 



4 4 



9 12 



18 6 



19 22 

 39 















38 



38 



38 



38 





37 



38 



38 



38 



37 













1 30 



I 32 



I 37 



I 56 





2 25 





2 51 



3 20 



4 6 



5 43 



6 38 



6 59 



7 6 



7 22 







° 57 





1 3 



34 



f 



1 5' 



2 8 



2 16 



i 47-5 



3 3^ 



5 09 



6 4 



6 4 



6 32 



6 48 



7 22-5 



10 25 



32 







34 



34 



° 35 



32-5 



34 



33 



34 



34 



34 



34 



° 34'5 



35 



I 23 



. 48 



2 5 



5 52 



6 43 





14 56 

 14 20 



























1 29 



5 15 



6 7 



II 35 























36 



37 



36 



37 



c 36 



° 35 



3 























(18) 



































23 24 

 (18) 



14 

 (18) 





3 21 



4 4^ 



5 48 



10 35 



13 12 



19 17 



20 28 



21 58 















12 50 



34 



23 41 

 33 



I 38 

 34 



2 47 

 34 



4 9 

 ° 33 



5 13 



10 1 



12 



18 2 



34 



21 24 

 34 















,2 

 ('9) 



2 42 



3 I9'5 



4 IS 



4 58 



5 13 



'° 33 



II 04 



18 51 



















23 40 





2 46-5 



3 4i 



4 ^3 



4 39 



9 58 



10 29 



18 18-5 



° 3^-5 



















32 



32 



33 



33 



° 35 



° 34 



35 



35 



















I 32-5 



2 OO'S 



5 36-5 









15 I 





















57 



. 24-s 





6 22 



lo 





14 26 

























36 



036-5 



38 



3j 



" 36 



° 35 























I 24 

 51 



3 29 



5 6 

 4 33 



8 26 

 7 53 



ii 



15 49 

 15 18 



■'5 56 



19 19 

 18 47 



19 31 

 18 58 



2, 38-5 

 21 5 

 ° 33-5 

















33 



33 



33 



33 



31 



31 



31 



32 



33 

















2 32 



3 II 



3 35 



I 



7 18 





II 34 





16 10 



>8 33 

 18 00 

 33 



21 52 















■ 57 

 35 



2 37 

 34 



3 I 

 34 



6 29 

 35 



6 42 

 36 



9 40 

 32 



33 



" 48 

 33 



IS 37 

 33 



21 19 

 33 















3 29-5 

 2 56 



4 21 



4 50 



5 ^5 



5 56 



8 40 



9 53 





12 54 





18 41 















3 49 



4 >9 



4 53 



5 23 



8 6 





10 55 





IS 48 



18 8 















33-5 



32 



31 



32 



33 



34 



III 



032I 



'III 



35 



33 













