The Young Surveyor's Guide: Or, A New Introduction to the Whole Art of Surveying Land: Both by the Chain & All Instruments Now in Use. Now First Publish'd from an Original M.s. to which is Added, All the Useful Geometrical Definitions, Axioms, Problems & Theorems, which Relate to this Art ... There is Also Added, by Way of Appendix, a New Way of Surveying Large Tracts of Land ... The Manner of Making Up and Preparing Transparent Colours for Beautifying Maps ... The Tables of Artificial Numbers, Sines and Tangents ... All which is Very Much Improved & Cor
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ABCD Acres againſt alſo Baſe becauſe beſt Breadth Caſe cauſe Center Chains Circle Cloſe Co-ſine Co-Tang Colour Compaſſes Content croſs Degree deſcribe the Arch Diameter divide Diviſion draw a Line draw the Line Example Feet Field Field-Book Figure finiſhed firſt Station Foot diſtance given Ground heighth Houſe Inches Index Inſtrument juſt laſt left ſide Length leſſer likewiſe Links Mark meaſure moſt multiply muſt Number obſerved Off-ſet oppoſite şut P R O B L E M Parallelogram Perches Perpendicular Plot prick Prob produćt Protractor Quotient R U L repreſent right Angles right ſide Roods ſaid ſame ſay Scale of equal ſecond ſee ſet one Foot ſeveral ſhall ſhew ſights Sine ſmall ſome Square ſtance ſtand ſuch ſuppoſe ſure Table Tangent thereof theſe thoſe Trapezium Triangle uſe Waſhed whoſe
Page 24 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 189 - But if it be large, as the Map of a County, or the like, the only way is to compafs in the Plot firft with one great Square :, and afterwards to divide that into as many little Squares as you fhall fee convenient. Alfo make the...
Page 119 - Multiply the given decimal by the number of parts in the next less denomination, and point off as many decimal places as there are in the given decimal.
Page 108 - ... Quantity , of an Angle included by thefe Lines ; for which there are almoft as many Inftruments as there are Surveyors. Such among the reft as have got the greateft Efteem in the World, are the plain Table for fmall Inclofures, the Semicircle for champaign Grounds, the Circumferentor, the Theodolite, &c.
Page 213 - ... the greatest ; the remainder will be the time of the star's coming to the meridian. If the remainder be greater than 12 hours, the star will come to the meridian after midnight ; but if less than 12 hours, before midnight.
Page 133 - The distances from A to B, from В to C, from С to D, and from D to E are 2-15, 0-74, 2-4, and 0-96 miles.
Page 109 - Table. Place the Table (already fitted for the Work, with a Sheet of Paper upon it) as nigh to the Angle A as you can, the North End of the Needle hanging directly over the Flower-de-luce.^ then make a Mark upon the Sheet of Paper at any convenient Place for the Angle A, and lay the Edge of the Index to the Mark, turning it about...
Page 186 - Cyphers ; that Number thus increafed divide by the given Side, the Quotient will be the other Side. EXAMPLE. It is required...
Page 69 - Feet high, the Number of Stones (or Cubick Feet) will be equal to the Number of Lineal Feet in the length of that Wai]. Secondly, If the Wall ihould be of the fame length and heighth one Foot as bef re, but the thicknefs 2, 3, 4' ?i &c- Feet (гфла of one Foot) ; then the Number of Stones (or Cubick Feet) will cccrdinglyhe twice,thrice,four-timesfivelimes &c.