The millwright & engineer's pocket companion |
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Αποτελέσματα 1 - 5 από τα 31.
Σελίδα 15
... Half ...... 250 8 .. 131 / Quarter ... = 125 4 Eighth 65.5 2 .. 6/12 31 Once 31.3 1 Half 15.6 Quarter - 7.8 Gros - 3.9 ... 3. VARIOUS FOREIGN WEIGHTS IN POUNDS AVOIRDUPOIS . Places and names of weights . Alexandria rotola for- fora libs ...
... Half ...... 250 8 .. 131 / Quarter ... = 125 4 Eighth 65.5 2 .. 6/12 31 Once 31.3 1 Half 15.6 Quarter - 7.8 Gros - 3.9 ... 3. VARIOUS FOREIGN WEIGHTS IN POUNDS AVOIRDUPOIS . Places and names of weights . Alexandria rotola for- fora libs ...
Σελίδα 53
... half the length of the line , describe arcs cutting each other in m and n ; then a line drawn through the points m and n will divide the line into two equal parts , as required . A- -B im PROBLEM II . To divide a given Angle into two ...
... half the length of the line , describe arcs cutting each other in m and n ; then a line drawn through the points m and n will divide the line into two equal parts , as required . A- -B im PROBLEM II . To divide a given Angle into two ...
Σελίδα 58
... half the chord will be the radius of a circle that will con- tain half the area , & c . PROBLEM XIV . P D C 2 B To divide a given Circle into any Number of Co - centric Parts equal to each other . Upon the radius A B describe the semi ...
... half the chord will be the radius of a circle that will con- tain half the area , & c . PROBLEM XIV . P D C 2 B To divide a given Circle into any Number of Co - centric Parts equal to each other . Upon the radius A B describe the semi ...
Σελίδα 59
... ; draw the dia- gonal cd , and continue the line oc to k , by the addition of half the diagonal e d , then will the distance o k , be the A radius of the centres that will describe the ellipsis ; PRACTICAL GEOMETRY . 69 59.
... ; draw the dia- gonal cd , and continue the line oc to k , by the addition of half the diagonal e d , then will the distance o k , be the A radius of the centres that will describe the ellipsis ; PRACTICAL GEOMETRY . 69 59.
Σελίδα 61
... half the product is the area . EXAMPLE . - Required the area of a trapezoid whose sides , A B and C D , are 14.5 and 10.25 , and breadth , a A , = 7.25 . 14.5 10.25 × 7.25 A B = 89.71875 2 the area . F Ca D PROBLEM III . To find the ...
... half the product is the area . EXAMPLE . - Required the area of a trapezoid whose sides , A B and C D , are 14.5 and 10.25 , and breadth , a A , = 7.25 . 14.5 10.25 × 7.25 A B = 89.71875 2 the area . F Ca D PROBLEM III . To find the ...
Συχνά εμφανιζόμενοι όροι και φράσεις
1.-Multiply 1.-Required 12 feet 12 inches 20 inches A B C D avoirdupois beam bodies boiler breadth cast iron centre chord Circum circumference cistern column contain cubic feet cubic inches cylinder decimal depth describe arcs cutting Diam diameter in inches distance divide the product engine equal EXAMPLE 2.-What EXAMPLE.-Required feet diameter feet long feet per minute feet per second find the Diameter foot frustum gallons nearly given circle imperial gallons inches area inches broad inches diameter nearly inches nearly latent heat length of stroke lever libs motion Numb number of horses number of Imperial perpendicular height piston pitch polygon pound pressure PROBLEM prop pulley pump's diameter quotient radius revolutions per minute right Line Roots Cube Roots RULE RULE.-Multiply shaft Slide Rule solid content square inch Square Roots Cube steam STRENGTH OF MATERIALS superficial teeth thickness tons valve velocity versed sine vulgar fraction water wheels weight wrought iron
Δημοφιλή αποσπάσματα
Σελίδα 58 - The areas of circles are to each other as the squares of their diameters.
Σελίδα 24 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 67 - To find the solidity of a spheroid. Rule. — Multiply the square of the revolving axis by the fixed axis: and the product, multiplied by .5236, will give the solidity.
Σελίδα 88 - These simple machines are the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw.
Σελίδα 88 - ... that there may be a balance between the power and the weight, the intensity of the power must exceed the intensity of the weight just as much as the distance of the weight from the prop exceeds the distance of the power.
Σελίδα 133 - ... the quotient is the centrifugal force when the weight of the body is 1.
Σελίδα 24 - ... and to the remainder bring down the next period for a dividend. 3. Place the double of the root already found, on the left hand of the dividend for a divisor. 4. Seek how often the divisor is contained...
Σελίδα 68 - ... by •5236 ; then say, as the square of the fixed axis is to the square of the revolving axis, so is the former product to the solidity.
Σελίδα 43 - Rule, Multiply the difference between the root of the integer part of the given number, and the root of the next higher...
Σελίδα 91 - ... when the power acts parallel to the plane, the length of the plane is to the weight, as the height of the plane is to the power; for the greater the angle, the greater the height.