Royal Society, 

 Table of Corrections. 



69 



Feet. 





Diff. for 



h" + 



Diff. for 



L 



L 



/ 







100 feet. 



H"- 



100 feet. 



1+ 

 0° 



I— 



90° 



2-65 



1000 



- 0-3 



006 



0-20 



0-41 



0-72 



1-08 



1-54 



2-07 



2-68 



3-35 



4-16 



5-04 



6-01 



7-07 



8-27 



9-55 

 10-98 

 12-40 

 14-35 

 16-05 

 18-03 

 20-23 

 22-56 

 25-14 

 27-96 

 31-00 

 34-65 

 37-96 

 41-99 

 46-36 



1 



0-05 



0-01 

 0-02 ! 

 0-03 

 0-04 

 0-05 < 

 0-06 

 0-07 

 0-08 ; 

 0-09 

 0-10 

 0-11 

 0-12 

 013 

 014 i 

 0-15 j 

 0-16 

 0-17 | 

 0-18 

 0-19 

 0-20 

 0-21 

 0-22 ! 

 0-23 

 0-24 

 0-24 

 0-25 

 0-26 ! 

 0-27 

 028 ! 

 1 



2000 



+ 03 



0-20 



5 



85 



2-61 



3000 



2-3 



0-43 



10 



80 



2-49 



4000 



6-4 



0-77 



15 



75 



2-29 



5000 



13-6 



1-20 



20 



70 



2-03 



6000 



24-4 



1-72 



21 



69 



1-97 



7000 



39-8 



2-35 



22 



68 



1*91 



8000 



60-5 



3-06 



23 



67 



1-84 



9000 



87-3 



3-88 



24 



66 



1-77 



10000 



120-8 



4-79 



25 



65 



1-70 



11000 



162-4 



5-79 



26 



64 



1-63 



12000 



212-8 



6-89 



27 



63 



1-56 



13000 



272-9 



8-09 



28 



62 



1-48 



14000 



343-6 



9-38 



29 



61 



1-40 



15000 



426-3 



10-77 



30 



60 



1-33 



16000 



521-8 



12-26 



31 



59 



1-24 



17000 



631-6 



13-84 



32 



58 



1-16 



18000 



755-6 



15-51 



33 



57 



1-08 



19000 



899-1 



17-28 



34 



56 



0-99 



20000 



1059-6 



19-15 



35 



55 



0-91 



21000 



1239-9 



21-11 



36 



54 



0-82 



22000 



1442-2 



23-17 



37 



53 



0-73 



23000 



1667-8 



25-33 



38 



52 



0-64 



24000 



1919-2 



27-58 



39 



51 



0-55 



25000 



2198-8 



29-92 



40 



50 



0-46 



26000 



2508-8 



32-36 



41 



49 



0-37 



27000 



2852-3 



34-90 



42 



48 



0-27 



28000 



3231-9 



37-53 



43 



47 



0-18 



29000 



3651-8 



40-26 



44 



46 



009 



30000 



4115-4 



43-09 



45 



45 



0-00 



Ex. 1 . Height of Mont Blanc above Geneva from the observations 

 of MM. Bravais and Martins, August 29th, 1844. 



A' 19-3 B 729-65 mm 

 d — 7'6 b 424-05 



M' 18-6 

 m' - 4-2 



H 1335-33 

 L 46 



500-0 B + 6 1153-70 



22-8 



/ 0-09 



511-7 B-5 305-60 



x 4-23 



X 14^ 





p 96-4 



q 1-3 



305-6x52400-4-1153-7 

 = 13880-0 



272-9 cfor 13000 

 61-6 diff. for 880 

 103-6 —p 



14118*1 x511-7-r500 

 = 14448-5 



10-8 A" for 150001 , 

 1-2 diff. for 800 J ^ 

 1-9 -H" for 1500, H 



14118-1 



18-7 - 



<Z 



h — 11=144590 difference of level. 

 Result by Laplace's formula 14459*4. 



