Mechanics' and Engineers' Pocket-book of Tables, Rules, and Formulas Pertaining to Mechanics, Mathematics, and Physics ... |
Common terms and phrases
angle Ascertain axis beam body boiler breadth carbon Cast Iron cement cent centre of gravity chord circle circumference CO-SEC'T CO-TANG coal coefficient combustion Compute Volume cube feet cube foot curve cylinder D. K. Clark deflection depth diam diameter discharge distance divide product effect engine equal evaporated EXAMPLE.-What feet in length feet per second flange fluid foot-lbs friction frustum gallons Girders given grains heat Hence ILLUSTRATION.-Assume inch lime load metal miles per hour minute multiply pipe pitch plane plate pressure proportion quotient will give radius ratio representing resistance revolutions per minute Rivets rope RULE.-Divide RULE.-Multiply sand SECANT shaft side specific gravity square root steam Steel stress stroke of piston surface temperature tensile strength termed thickness tons transverse velocity versed sine vertical vessel weight wheel width wood Wrought Iron ΙΟ
Popular passages
Page 220 - The circumference of every circle is supposed to be divided into 360 equal parts, • called degrees, each degree into 60 minutes, and each minute into 60 seconds, etc.
Page 430 - The barometer falls for southerly wind, including from southeast by south to the westward, for wet weather, for stronger wind or for more than one of these changes, except on a few occasions, when moderate wind, with rain or snow, comes from the northward. Homebred...
Page 73 - G F E 1500 / 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...
Page 430 - The barometer rises for northerly winds, including from northwest by north to the eastward for dry, or less wet weather, for less wind, or for more than one of these changes, except on a few occasions, when rain, hail or snow comes from the northward with strong wind.
Page 871 - Hence when the article is to be used immediately the only safe cements are those which are liquefied by heat and which become hard when cold. A joint made with marine glue is firm an hour after it has been made. Next to cements that are liquefied by heat are those which consist of substances dissolved in water or alcohol. A glue joint sets firmly in 24 hours: a joint made with shellac varnish becomes dry in 2 or 3 days. Oil cements, which do not dry by evaporation, but harden by oxidation (boiled...
Page 504 - ... affecting the senses in its passage, determining the height of the thermometer, and in a word giving rise to all the phenomena which are attributed to this active principle.
Page 928 - Acid. — Take a piece of litmus paper ; if it turns red there must be acid ; if it precipitates on adding lime water, it is carbonic acid. If a blue sugar paper is turned red, it is a mineral acid.
Page 305 - The characteristic of the logarithm of a decimal fraction is a negative number, and is equal to the number of places by which its first significant figure is removed from the place of units. Thus the logarithm of .0046 is 3...
Page 469 - When no unguent is interposed, the amount of the friction is, in every case, wholly independent of the extent of the surfaces of contact ; so that the force with which two surfaces are pressed together being the same, their friction is the same, whatever may be the extent of their surfaces of contact.
Page 433 - The mean effect of the power of a man unaided by a machine, working to the best possible advantage and at a moderate estimation, is the raising of 70 pounds 1 foot high in a second for ten hours in a day.