^ax MdfUt imcUi-m pcre ©cabcr (Novi Commentarii PetropoJitani. Tom. 
14. par. 2. Petersborg 1770. pag 39-54), Of^ at ^craf ci fan fluttcé tiOf^cJi 
ret Snciininicn, ut?cn efter nuuiije forcj^naeut)?, nuujet bcfyanli^c Oij V)i&t(ef=: 
ninqi've 5unintC 331nnt forfccvt^inc Dcrc^ [Raa(L' paa føfiicnDc ^3}]aai>c, fom 
fi'ni)cé -bclTrcycn af Sapitain ^5)f)i?'P^/ ?)l?ufbgrat>e (A. Voyagc to 
the north Pole. London 1773. pag. 11Q-123). O^aalensJ ^{^'c( (]aact: 
pna prc jlorc 5^ncttonø(:uil, 9^^oa ^l,rcfcn cr ct v»infe(rct ^or6 af ?3le|j!n'(]s 
traal5, paa {5wi6 Sirt'cc ere fTne ©fi'ucr meti fmaa 8obDcr; t)cn euc ^Irm ci* 
parallel nicb 9?aa(cn6 2a?nc|t)c, 0(] i?en anben pcvpcn^icu^ar paa famme, 93ct) 
t^c tV'CiiDc bobber lanc^S nieb f57aalcn Ininc^cg ®ra\)ifccecentcrct til ciUt fra ^IjiD^ 
ten cftci' ^ccngben; V)cb be tvcnbc bobber, pcrpcnbiculair paa CHaafnt, CrinCjC$ 
©ra^itct^ccntcrct cpab dia nct^ah efter 91aa(en5 ^Brcbc paa t\)ciø. J^^cnji(]ten 
€r, at v>eb bi)K ©fiuniinger ffulbc ©ratjitetøcenterct 6rtu(]ciS til at falbe fam^ 
men incb ^^e\3CJ(]e(fe<?centeret, ^>\)ilfet er ben f!ørfle gulbfommen^eb t}0$ ^inlu 
nattondnaafen ; men i^iv møbcr atter practiffc ?BanlT*e(iaf;eber; bet er nc^jleu 
umuelt(]t at trccffe bet ri(]tigen; faalebec f;ar ^r* ^aké , fom fpar Crujt 
??airncé o^^ Sluntå Sncllnationsnaafe, funbct bet a)* f^i\ 33ai)(ei) bat 
funbet fammc lUci{iq|>eb, og fiinbe bo(] ei jujlere Olaalen, paa (Eap albeled 
iffc 15), 0(\ i D-^cen S&arlotreé Sunb iffun paa en ©vab ncer (i. c* 
QDag. 42), 00 paa.5i!l)agerctfen paa gnp iffun paa 5 ©råber ncer (?)a(], 133)* 
®ijTe llfn(b?cmmen5e^er, fem ft'tibeg \?eb biffc 3ncliitation5naale, r;a\:'e 
forantebiqet mig til at foimcbe, at felgenbe 3"^i'<?tnini] et ffulbe v«re flettere 
Fig. 4. cnb bc forf;en berørte. ABDE cr en tjel jamret SletJinocirfel, af 12 %onu 
meré ^Diameter. 5Den cr inbbeclt i jlne ©råber, og ^'oa ©rab i 6 ^avtet 
eder loiSRinut^r; unber neben ben horisontale ©kmetcr ere faflfftnebe ti>cube 
2)]ciyini]lincaler DEFG af 10 SiniersiBrebe, ^\)tlfe ligelebec? flaae lo^inicr 
fra 
, a) Aftronomical obfervatioiis made in a couife of vo-yage to.wards the South Pole. 
London 1777. pag. 51. the principal d^fects in its conftruction aie the difficulty in 
placing' the wire, which carries the two laU: rnentioned bails , in the proper plane, 
and the total impoffibihty of knowing" ceitainly, when it is To. 
