Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.90.
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The machine reads it as
- bere, by an Experiment wtrich he made et Lvapo.
- Pary 20 che AirK rilins oE Vapors, buc only ro che
- makins of rhem moune up on hislu, alcer cties
- once are brouxhe or railed into ir.
- VARTATION is, accordins co Tycho, chachird
- T0 find the Variation at Sea-
- Aboux chece tlours belore or alcer Noon, ha-
- vine che suns Declination, his Alritude, and che
- Lacirude ot che Place, Aind his crue Azimuth, (25
- is directed under chac WV ord) obserre also che sun s
- Magneticat Azimuth, and ehien che Disferences oE
- Inequalies in the Norion oF the MoOn; and arises chole cuo Distances trom the Meridian, is the Va-
- trom her Aposaum, beins chansed asher System is riation of the Compass.
- carried round che Sun by the Parch. Bullialdus calls The lame is also Found by havins che suns True
- this the Moons Restection, expresins ic, Thac her and Masnetical amplicude.
- Apo5aon rellects backmards, contrary ro the Order
- For it che amplitudes be ot one kind; thatis,
- Or Succection oEthe Signs, by reason of which che both Norch, or Boch Souch, cheir Ditterence is the
- Angle oF her Lrection is lometimes more, and some. Variation: Bur ot disterent kind; chac is, one
- cimes lels, chan ic rould appear ro bc, by conti. Norch, che ocher Souch, cheir Sum is che Varia-
- derins only checivo orher Tnequalities. Buc Trcho rion.
- aNteris ehis Variation ro be never lels chan 40 Mi- In che Practice oF observins che Variarion, it is
- nutes, 30 Scconds.
- usual eo catre ic by che Amplicude oF che R isins and
- MT. Nemton chints che Variarion is caused parrly Sertins oE che Sun, when his Centre appears in the
- by the Elliprick Form of the Hoons Orbit, and Visible Horizon; Whereas he ought to be obserred
- Parcly by che Inequalier ol che Momenes of che whenhus under Limb is Cill abore che Horizon a-
- Area Which cheMoon deleribes by a Radius drann bour ro chirds oF his Diameter, Or 20 Minures,
- coche Parth. This, Prop. 29. B0ok 3. oF his Prin- because oF che Retraction; and che Fseiphe of che
- cipia, he Meus hon cotind; and sers it at a mid. Obserrers Fye abore the Surtace oF the Water:
- ale Rate, 1o be 35 Minutes, 9 Seconds.
- Or ellero vork the Amplirudes, 25 che AZimuths, by
- VARLATION oihe Necale, or Compass, is the reckonins che suns Distance From che Zenith, 9c
- deviarion, or turnine oF che Magnericat Needle in Degrees 36Minures. Phis, cho it be of licele con-
- the Mariner Compass, From the true Norch point: sequence near che Equinoctial, will make a grear
- which happens more ox less in most Places; and Error in hixh Larirudes, wtere che Sun Rises and
- is commonys called by sea men che Norch tiast. ( Sere Obliguelr.
- irse. oe Moreh tr esine es. Mo Neaio.
- he Hacrs Pario mniine coperhex in erencex Dropo,
- ic descends in Derr, or Rain: Wrhrich Nocion
- diters very licele from MP. TTalley S. Only Hom-
- ration in Vacuo, concludes, Thar Air is nOF necel
Cite
Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. - . Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/806933011:0874?run=74