Mechanics and Engineers Book of Reference and Engineers Field BookStringer & Townsend, 1856 - 517 σελίδες |
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Σελίδα xiii
... Woods , 218 LOGARITHMS : Application and Utility of Common Logarithmic Tables , 219 Table to determine the Distances of the Movable Points in a Parallel Motion , 223 224 226 : CAPILLARY ATTRACTION , • Woods , to Polish , Preserve , & c ...
... Woods , 218 LOGARITHMS : Application and Utility of Common Logarithmic Tables , 219 Table to determine the Distances of the Movable Points in a Parallel Motion , 223 224 226 : CAPILLARY ATTRACTION , • Woods , to Polish , Preserve , & c ...
Σελίδα xiv
... Wood , . 278 • Specific Gravity of Gases , . 278 Table of Change Wheels for Screw - cutting , . 279 Weight of ... woods , The fusing point of metals , Properties of liquids , • Table of Fusibility of Metals , • 280 281 282 282 283 284 ...
... Wood , . 278 • Specific Gravity of Gases , . 278 Table of Change Wheels for Screw - cutting , . 279 Weight of ... woods , The fusing point of metals , Properties of liquids , • Table of Fusibility of Metals , • 280 281 282 282 283 284 ...
Σελίδα 23
... WOOD . 6. Tin , 7. Lead . All woods are from 7 to 20 times stronger transversely than lon- gitudinally . They become stronger both ways when dry . DECIMAL ARITHMETIC . Decimal Arithmetic is the most simple and PRACTICAL GEOMETRY . 23.
... WOOD . 6. Tin , 7. Lead . All woods are from 7 to 20 times stronger transversely than lon- gitudinally . They become stronger both ways when dry . DECIMAL ARITHMETIC . Decimal Arithmetic is the most simple and PRACTICAL GEOMETRY . 23.
Σελίδα 62
... wood . 40 + 258 65.8 3′362 · 5 ; and 40 ÷ 62 · 5 = 0 · 64 , the spe- cific gravity of the fir . The specific gravity of a fluid may be determined by taking a solid body , heavy enough to sink in the fluid , and of known specific gravity ...
... wood . 40 + 258 65.8 3′362 · 5 ; and 40 ÷ 62 · 5 = 0 · 64 , the spe- cific gravity of the fir . The specific gravity of a fluid may be determined by taking a solid body , heavy enough to sink in the fluid , and of known specific gravity ...
Σελίδα 67
... wooden trough sufficiently large to contain the figure , which must be suspended in it by means of a thread of silk ; let it rest until a sufficient quantity of the salt is crystallized on the cast , then withdraw it , and polish it ...
... wooden trough sufficiently large to contain the figure , which must be suspended in it by means of a thread of silk ; let it rest until a sufficient quantity of the salt is crystallized on the cast , then withdraw it , and polish it ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
9 Diff acid angle antimony applied beam bismuth blue body Boil borax Brass breadth cast-iron centre chord circle circumference color Copal copper cosine cube curvature curve cylinder DEGREES Diam diameter Dissolve distance divide draw equal EXAMPLE external secant feet radius foot force gallons given glass glue gold heat horse power inclined plane iron lamp-black length lever linseed oil Logarithm Marble mastic Melt Metal minute Multiply nitric acid number of teeth ounces paper pearlash perpendicular piece of timber pint potash pounds pressure Prussian blue quantity quotient rectified spirit revolutions per minute revolving RULE sal-ammoniac shaft shell-lac side silver solution specific gravity spirit square inch square root steam sulphate surface TABLE tangent tenon thickness tons Varnish velocity versed sine vessel vinegar weight wheel wood yellow zinc
Δημοφιλή αποσπάσματα
Σελίδα 39 - To find the solidity of a spheroid. RULE. Multiply the square of the revolving axis by the fixed axis, and by *5236, and the product will be the solidity.
Σελίδα 33 - Any circle whose diameter is double that of another contains four times the area of the other.
Σελίδα 27 - Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles.
Σελίδα 267 - ... they are dissolved. Then mix the whole with a sufficient heat. Keep the glue in a phial closely stopped, and when it is to be used, set the phial in boiling water.
Σελίδα 266 - ... and, in another vessel, dissolve as much isinglass, previously a little softened in water, (though none of the water must be used), in French brandy or good rum, as will make a...
Σελίδα 235 - SOLDERS. For Lead. — Melt one part of block tin, and, when in a state of fusion, add 2 parts of lead. Resin should be used with this solder. For Tin. — Pewter, 4 parts ; tin, 1 ; bismuth, 1. Melt them together and run them into slips.
Σελίδα 38 - RULE. — To the sum of the areas of the two ends add the square root of their product ; multiply this sum by the perpendicular height, and -^ of the product is the solid content.
Σελίδα 128 - Bring the edges of the pieces of shell to fit each other, observing to give the same inclination of grain to each, then secure them in a piece of paper, and place them between hot irons or pincers ; apply pressure, and let them cool.
Σελίδα 65 - RULE. — Divide the weight to be raised by twice the number of pulleys in the lower block ; the quotient will give the power necessary to raise the weight. EXAMPLE. — What power is required to raise 600 Ibs., when the lower block contains six pulleys ? 600 6 x 2 = 50 Iks., Ans.
Σελίδα 53 - To find the centre of Gyration, multiply the weight of the several particles by the squares of their distances from the centre of motion, and divide the sum of the products by the weight of the whole mass; the square root of the quotient will be the distance of the centre of gyration, from the centre of motion.