90 



CORRECTION OF TME HEIGHT OF THE BAROMETER. 



^=(4 m 



—(•33333 2 4 



+ ** 



^6 



4. 



+ -083 88f) - 



+ -0625 - 



m 



m 







+ -011 835 -» 



+ -00173611 -i 



10 



m 



2 



s 



+ -000 891*74 —r 



+ -000 027 12G7 Z —. 



mr 



m 



2 



+ -000 000 271 267 -r 

 mr 



+ -000 049 48 — r- 

 nr 



z l + 



4- ... as above) ft 



+ -000 002 02 — 



-f (-044 444 2* 



+ -000 0©0 063 Ar 

 m 



~8 



+ -030 258 — 



2 18 



M 



+ -too 0< 001 6 —t- 

 rtr 



2*° 



4- -008 4528 — - 



~ io 



m a 



+ -000 000 000 031 — r 



in* 



4- -001 30 ? %■ 



+ • • •) ^ 



+ -000 130? -5 



+ (•003 174 6 s 8 



z 16 



+ -006 031 7 - — 



-f -000 009 ? —r- 



inr 



+ . • •) V 



+ . . .) z< s 



+ -0014109 2 IO + ...) ft 9 + -000 042 755 2 ia f ...)A" 

 + -000 0009344s 14 + . . .)6 I3 + -000 000015 67 s ,6 +. . .) b t% 

 + ... 



Other parts of The same mode of investigation may be applied to the 



thecuive. more accurate determination of the properties of the curve 



at any other point of its extent; substituting r — x for x, 



q — y for y, and p — /'[(r — x) . (q — y) x] for the fluent : 



but the calculations become considerably complicated. 



Thus, if we suppose z to begin where the curve is vertical, 



z 3 _ 36 m g b* — 9 r Hh g r + 144 



6 m 576 mr b — 72 m 



144 m*b 3 b z+ 



2 4 + . . . , and y — z — $1? z*+ — 



4,m 



