RATIO Of ffx-JUxmrntaftLomtem^f. 10 TEr.m !'<iHi!if '^TH* TTSTHT Bfl 



:- :\ : I'.-':.:: .::._- ' - : : ' - :-.r in i ' -.-: -: " -, . --- :;; -/.: - 



^ :. iesiedi throttgh- 



ovt iis attire nnge bjr Tailing; the detracts and weights to give the 



constant puifnlial of a standard gaiage r and fband to give relative icad- 



:r_- ' "::;: 1 in ^ - '.^i.-:. I' - :---;-: --: ->.: :-;^- : :. ;-;- ;- ->.-: 



..._. ,' i -. | .,. i .. ,_ : ..-.-..^ -'--.; --.J.--.-7 I"' -> -;. -.- .-_; _- -.; . -. : ,. ,- [ogfid 



.'-. - ".- r ;.":-? ::". " . " " "r i~ -iriil " " : ; ~". "" !oin.bine<3 weigiit^ tnd 

 dEctvartalK fontty it ins fbvnd Dest to limit its swing' to a -fa nna. OB. 

 cadk aide of its normal posrtiwm. The mean of two meadin^R of the 



:;--,i- :-. - r -.: r.: ".:- -'-. - >..i:r ;omp up md the >ther lown. ---.- ;-.-: 

 one r 



The ad justm - :~ ~ - :' the plates parallel to each 0>ther ami o^f the 

 nwiainle vlate in the Diane of the <nard rin<r could be made to almost 



IT JT ^ Ij 



i.~ -7'r7. "- ~~ potential "i khe ~~~. 



where 4 is the drnfanrr of the plates, w the absolute force on the 



_. . -;-_: -\i-.-_ j.- i J_ -; . :^ -.;-.-; -. - \ According " iTaiw ?I1 



where ^ aia^ ^ are the iradn. of the disc anxi the openrng^ foe it 

 = Rl // _-.. .':.-. \i.i- :orred Ha^ Aaal 1 

 nenee we kave^ finaEhr r 



F= 





Stmmioni canaVvwr. This Terr aenate instrument was made from 



irsj-- '-- )[? ".---,- -'- . r -, y..~ 5Tork, L~ : :onsisted ' J >ne 



knfflorw baiL vezy acennateljr ttnmeii and nickel pW**^ in which two bolls 



.-: : ---.-... ,.'-;-._-"--,- , - : /.-..- '-;;;.- -:'_ i be - ?rv 



IT - 



;i . ,. r . .:._..: . .-. ., :'-"-.'- -.- -.-. - ,-^-.\ - wus made 



ITT two wires aftMrat -J^T ^^ dBanwteTy one of which was protruded 



-- . _-:- - -.., '-., .-. - - .'-,.: - .-- ,-. -- , --- . .-;-.-. - 



r .--:: - mm Bam niftaVav- -. : -':- -.-: :~- tntrodiBBBJ ri 

 aaiitan nlni in iffiit Iftn iHimliii^i Tins eonld be efiected five times 



^- - - . . - - : 7~- , ; . - -. ---.".;.'- -. - -.-,--.-.-. -. .;-.-,,;-; -^--. 



ini d py ^aiing in water, and the ckilioafadie capacities fiwmd to be 

 50-00 and 29-556 e-g. SL mniteiw 



:- .- V.~ 7 -i - : >;-:. 



