Mechanics' and Engineers' Pocketbook of Tables: Rules, and Formulas Pertaining to Mechanics, Mathematics, and PhysicsHarper & brothers, 1890 - 956 páginas |
Términos y frases comunes
angle ascertained axis base 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 girder given grains 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 RULE.-Divide RULE.-Multiply sand SECANT shaft side specific gravity square root steam Steel stress stroke of piston temperature tensile strength termed thickness tons transverse velocity versed sine vertical vessel weight wheel width wood Wrought Iron ΙΟ
Pasajes populares
Página 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.
Página 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.
Página 219 - A sector, is any part of a circle bounded by an arc, and two radii, drawn to its extremities. A quadrant, or quarter of a circle...
Página 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.
Página 871 - ... material will part anywhere else than at the joint. Hence, where 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...
Página 430 - It is well known to every sailor, and is contained in the following couplet : When the wind shifts against the sun, Trust it not, for back it will run.
Página 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.
Página 175 - If the vessel have a poop or half-deck, or a break in the upper deck, measure the inside mean length, breadth, and height of such part thereof as may be included within the bulkhead; multiply these three measurements together, and, dividing the product by 92.4, the quotient will be the number of tons to be added to the result as above found.
Página 881 - If you take away 5 from my years, and divide the remainder by 8, the quotient will be £ of your age ; but if you add 2 to your age, and multiply the whole by 3} and then subtract 7 from the product, you will have the number of the years of my age. What was the age of the father and son ? Ans.
Página 89 - Fraction is a fraction expressed by two numbers placed one above the other, with a line between them, as 50 cents is the J of a dollar. The upper number is called the Numerator, because it shows the number of parts used.