. The Philosophical magazine; a journal of theoretical, experimental and applied physics . de of V on the orbit was 28*^ 4lin longitude of the ascending node 26° 36 in Sagit-tarius. The comet passed the ascending node September CQth,18^ 48. The longitude of the axis S X as seen from the sun, wasin 13** ll of Gemini; and its elevation or north latitude24** 43.—The inclination of the orbit 63^ 15:—this iseasily conceived, by supposing the visible part of the orbitfrom w to F to revolve upon the line of nodes g v till anypoint in the orbit, as F, is elevated 63^ above the plane ofthe
. The Philosophical magazine; a journal of theoretical, experimental and applied physics . de of V on the orbit was 28*^ 4lin longitude of the ascending node 26° 36 in Sagit-tarius. The comet passed the ascending node September CQth,18^ 48. The longitude of the axis S X as seen from the sun, wasin 13** ll of Gemini; and its elevation or north latitude24** 43.—The inclination of the orbit 63^ 15:—this iseasily conceived, by supposing the visible part of the orbitfrom w to F to revolve upon the line of nodes g v till anypoint in the orbit, as F, is elevated 63^ above the plane ofthe ecliptic. The comet was seen here soon after it passed V; the earthat that time was nearly at A, moving from thence towards B ;%vhile at the same time the comet from V towardsF ; and consequently its motion was direct. Owmff On the Comet of \S07. 69 Owing to the oblique position of the axis, it was impos-sible to see the comet in the inferior part of its orbit E V,©n its approach to the perihelion. I am, sir, your most obedient servant, Gavin Lowe. Islington,Feb. 15, E3 XVI. J [ 70 ] X\*I. yi Sef^rnd Leiier flvm E. V. on I lie Means ofgai.}u?2g Power in Mechanics. To Mr. Tilloch. SIR, -iVlucH as the moderns are reckoned to surpass the antlentsin mathematical knowledge, and notwithstanding the ex-perience and improvements in mechanics, during the laterand more enlightened ages, it is a mortitying truth that weare even at this day totally ignorant of the means formerlyemployed, and very extensively in use, to move to vast di-stances, and raise to great height, prodigious masses andweights, such as the celebrated columns of Egypt, Rome,Sec.; and that with all our advantages over the antients, westill remain unable to equal their practice in these does not appear that our predecessors were gifted with su-perior intellect or strength to the present race ; their means ^must have been mechanical, and therefore must be within ourreach.—Why then should
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