but Kolrly ii|Hiii il.s rnriii. Ill Ik iiiittliiMimlicul uiiiilvHiH l>y lini-n (In* ;;<-ii*tiI 

 npiiilioii lor tin; i-ITect n|Hiii olli|iti(iiil)< is <icvclci|H<<l. Kroin tli'iH it in sliowii tliut 

 in tlif wise ofii spluTf llio urijiii.-try «•orri'i-linii for llin air slmiilil Ik; iiicnnuHMl liy 

 Olli" liiilf. 'IMiis fiu-liir lilts Um'ii uct'il in rurnvtin«; llir n'MiIlM nf tin*«' i'.\|"Ti- 

 iiiriits. 



Mr. IV'iriv of tlie I . S. ('o!u.t Siirvt-y luv» n-i-cnlly diwuHni-d (lie cormMioii 

 <liK> to tlic llcMirf of tli<> sii|>|ioi't of (lie |M-ncliiliMii. Altlioii<;li til lent imi witx not 

 t^ivi'ii to this :it the tiiiu- of niakiiiv; tlii-s«' i-\)N'rinR'iit8 (lie |M-niliiliiiii kii|>|><ii'I 

 li.is U-cii siiKv ('X.iininvil tor tk-xiin-, liy iihmiis of u inicn><ioo|K' willi iiiirronK'(«>r 

 cycpiix^o wliii-li wmr iiioiiiiIc<1 ii|i<iii (lie stoin* |ii<-r ii|Min wliicli \\\i^ Hii|)|iort 

 \v:us sci-iirril. No lltjxiirc \\:\s iliscovrn-il wliii-li woiilil scuhilily iiltor tlif nviild« 

 i>litjiiiii-<l. 



It is liiinlly nrcossiiry (<> n-for (o (In; wi-ll known fornnilii liy iniiinR «if 

 wliicli (lie liMij^tli elf (lie (sjiiiviklciit Hiin|i!f |t:<n<liilinn was olitiiiniil. 'I'lir follow- 

 in<; an- tlio diiiii'iitions and niassrss of iIk- various [uirts of tlic |KMi<lnlinii. 



Total Ifiijilh of tlic |Kriiliilinii 1014. |H nun. 



Distancu from kiiilVislgc t<i wire 4(j..'i<) '• 



I All-Ill of win; 931.r.i '• 



Dianu'tvr of win; .'.\') " 



Hadiiis of lall 18.0:5 '• 



Weight of lull I'.IS.yr.l (,'ini. 



„ „wire 1 !)I3 '• 



Density of hall 8.0 " 



From tli''PC «iiiaiililie« (he leiij^lh of the e<|nival(Mit ^inl|lle |N-n<liiliitn it« 

 foiinil to Ih; — 



/=f»;i4.V.» mm 



I^-low will U; foniid the iv.siiitä of eleven tiiiio iletorininalionh ni.-ulu nu (wn 

 successive ilay.s in May. On hotli il ly« iliiriie.; the (iiiie of vihnitioii, all of (he 

 conditions were sensilily constant ami the sann", and in luldition (o this the 

 iii<;ht.s were lavorahlc for the deterniiiialioii of (lie chronome(er m(c'. I*^u-li of 

 (Ik; resuhs is licvsed ii|K>n an e\|ierinieii( of (weiily niiiiiiteft' diira(ion, the (inie 

 of vilir.ition in e.ich case liriui; the mean of (wo or thre«' inde|ieiiden( iiMMXitre- 

 mciit.s of the elir<)no;^n>i>h record made hy dilVeieiit |iers<inii. ThetJe include all 

 of (lie determination« made n|Kin (hotkj (wn day«, none liavin-; Ixfii n'ji<ct«.Ml . 



