The Mechanic's Calculator; Comprehending Principles, Rules, and Tables in the Various Departments of Mathematics and Mechanics; Useful to Millwrights, Engineers, and Artisans in GeneralBlackie & Son, 1836 - 344 σελίδες |
Συχνά εμφανιζόμενοι όροι και φράσεις
absciss avoirdupois axis beam body boiler bottom breadth called cast iron centre of gravity chord circle circumference column Cube root cubic foot cubic inches cylinder decimal denominator depth difference distance divided divisor draw effect elastic engines 2 engines equal feet long feet per second figure fluid force fraction fulcrum gallons given line greater heat hence horses inclined plane length lever machine measure mechanic minute motion move multiplied number of teeth ordinate orifice ounces parabola parallel parallelogram pendulum perpendicular pinion pipe piston pitch plane pounds pressure proportion pulley pump quantity of water quars quotient radius rectangle resistance right angles rule shaft side specific gravity square inch square root steam engine stroke surface thickness tons transverse triangle tube valve velocity vulgar fractions water wheel weight wheel wherefore yard
Δημοφιλή αποσπάσματα
Σελίδα 6 - Rule. — Multiply the whole number by the denominator of the fraction, add the numerator to the product and place the denominator under the result.
Σελίδα 77 - Thus, to draw a line through a given point parallel to a given line...
Σελίδα 50 - A Right Angle is that which is made by one line perpendicular to another. Or when the angles on each side are equal to one another, they are right angles.
Σελίδα 54 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Σελίδα 289 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 62 - If a straight line be divided into any two parts, the square of the whole line is equal to the squares of the two parts, together with twice the rectangle contained by the parts.
Σελίδα 76 - To make a Square Equal to the Difference of two Given Squares. LET AB and AC, taken in the same straight line, be equal to the sides of the two given squares. — From the centre A, with the distance AB, describe a circle ; and make CD perpendicular to AB...
Σελίδα 4 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Σελίδα 3 - Hence the usual rule to reduce fractions to a common denominator : Multiply each numerator by all the denominators except its own for new numerators, and all the denominators together for the common denominator.
Σελίδα 297 - The velocity in feet per minute should be ninetyeight times the square root of the length of the stroko in feet. The area of the steam passages will be as 4800 is to the velocity in feet per minute, so is the area of the cylinder to the area of the steam passage.