# A Treatise on a Vox of Instruments and the Slide-rule: For the Use of Gaugers, Engineers, Seamen and Students

H.C. Baird (successor to E.L. Carey), 1854 - Mathematical instruments - 252 pages

### Contents

 A Box or INSTRUMENTS 13 TRIGONOMETRY 48 LOGARITHMS 81 The Circle 112
 Solids 131 TRIGONOMETRY AND NAVIGATION 180 RECAPITULATION 216 APPENDIX 223

### Popular passages

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Page 10 - Goods ; containing nearly 800 Receipts. To which is added a Treatise on the Art of Padding; and the Printing of Silk Warps, Skeins, and Handkerchiefs, and the various Mordants and Colors for the different styles of such work.
Page 6 - DYER AND COLOR-MAKER'S COMPANION: Containing upwards of two hundred Receipts for making Colors, on the most approved principles, for all the various styles and fabrics now in existence ; with the Scouring Process, and plain Directions for Preparing, Washing-off, and Finishing the Goods.
Page 17 - A circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the center, Fig.
Page 125 - And since similar surfaces are to each other as the squares of their like dimensions, the area of any circle will be equal to the square of its diameter multiplied by .7854.
Page 6 - Work; the Art of Dyeing and Staining Wood, Bone, Tortoise Shell, etc. Directions for Lackering, Japanning, and Varnishing ; to make French Polish ; to prepare the best Glues, Cements, and Compositions, and...
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Page 124 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.