A Description of the Lines Drawn on Gunter's Scale, as Improved by Mr. John Robertson, ... and Executed by Messrs. Nairne and Blunt, ... By William Mountaine
A Description of the Lines Drawn on Gunter's Scale, as Improved by Mr. John Robertson, ... and Executed by Messrs. Nairne and Blunt, ... By William Mountaine,
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1788 Excerpt: ...required, is the Difrerence of Longitude, which fhall be found by the Sine Compliment of the middle Latitude 5 commonly called Middle Latitude Sailing. PROBLEM XIV. continued. By refolving the Traverfe, the general Difference of Latitude is found to be 58.8 Miles, the Departure 77.5 Miles, Courfe 52 50' S. Wefterly, ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1788 Excerpt: ...required, is the Difrerence of Longitude, which fhall be found by the Sine Compliment of the middle Latitude 5 commonly called Middle Latitude Sailing. PROBLEM XIV. continued. By refolving the Traverfe, the general Difference of Latitude is found to be 58.8 Miles, the Departure 77.5 Miles, Courfe 52 50' S. Wefterly, and Diftance 97 Miles; What Latitude is fhe in, what is her Diff. of Longitude, according to Middle Latitude Sailing, and Longitude in? Latitude In the firft Variety or Proportion, the fecpnd Term Tangent is greater than the firft Term Sine, or even than Radius, as it is more than 45, therefore the fourth will be greater than the.third, by as much as is that Diftance, or Excefs of the Tangent 52 jo/ beyond or above Radius, or the Sine 50 30' under, or ihort of Radius; the Proportion then may be performed upon the Scales, in Manner following, viz. By the Slider.. Set Sine 50" 30'on the fixt Piece, againft Radius on the Slide, then againft T. 52 50' on the lower fixt Piece, you will have about 59 45' on the Tangent Slide; then draw.out the Slide, and fet the faid 59 45' Tangent againft Radius, and in the right Line of the Index over 58.8 Num.;you will find 100 Num. and with a little Attention it may be eafily feen that the Hiding Radius has been removed forwards from Sine 50" 30' to rhe fixt: Radius, and by a feqond Mo.ition beyond the fixt Radius to 54 50' on the Tangents, at.the fame Time carrying 58.8 on the Line of Numbers along.with it, to 100, .the fourth Term required..i., -l..I-.'.: -.-. r: I. ftj With Compafles. 11 The Extent from Tangent 45 to T. 52 50', being laid: pn the Sines from 50 30' backwards (which may be called the Redudion of Tangents to Sines) will reach to about 35 30 5 then the Extent from this Point, or S. 35 30' to: S...
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Add this copy of A Description of the Lines Drawn on Gunter's Scale, as to cart. $16.96, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2010 by Gale Ecco, Print Editions.
Add this copy of A Description of the Lines Drawn on Gunter's Scale, as to cart. $26.58, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2018 by Gale Ecco, Print Editions.
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Add this copy of A Description of the Lines Drawn on Gunter's Scale, as to cart. $37.54, new condition, Sold by Ria Christie Books rated 5.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2018 by Gale Ecco, Print Editions.
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Add this copy of A Description of the Lines Drawn on Gunter's Scale, as to cart. $54.95, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Newport Coast, CA, UNITED STATES, published 2018 by Gale Ecco, Print Editions.
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