## The Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and the Sliding Rule: Teaching the Manner of Drawing All Regular Superficies, and the Contents of All Regular Solids, Both by Numbers and by the Sliding Rule. Treating Also of the Laws of Motion, the Descent of Falling Bodies, the Strength of Materials, the Mechanical Powers, the Elasticity and Force of Steam, Specific Gravities, Levelling, the Pendulum, Etc., Adapted for the Use of Carpenters, Shipwrights ... and Artisans GenerallyD. Appleton & Company, 1849 - 276 sider |

### Inni boken

Resultat 1-5 av 18

Side 62

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**vertex**of the pentagon ; then through the points found as described above , draw the sides of the pentagon . To find the diagonal of any pentagon : -Multiply the given side by 1.618036 . To find the perpendicular altitude of a pentagon ... Side 96

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**vertex**of the parabola ; and the line DC , which is perpendicular to the directrix , is called the axis , or principal diameter . An ordinate is a perpendicular from any point in the curve on the axis , as SN ; and when the ordinate is ... Side 97

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**vertex**, ) and its distance from the**vertex**is always half its distance from the directrix : con- soquently , DF and DI are equal . To construct a parabola : - Draw the base AB of any required length , and on the ex- tremities of the ... Side 98

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**vertex**, and draw lines through these points , and the figure will be completed . The greater the number of equal parts into which the sides of the rectangle are divided , the greater will be the number of points found in the curve ... Side 99

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**vertex**and focus , then the major axis of the ellipse is to the distance of the focus from the other**vertex**, as the parameter PARABOLA . 99.### Innhold

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### Andre utgaver - Vis alle

The Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and ... D. M. Knapen Uten tilgangsbegrensning - 1850 |

### Vanlige uttrykk og setninger

12 inches 12 rods 20 feet 30 inches absciss altitude avoirdupois base beam body breadth bung diameter bushels called cask centre chord circle circular segment circumference cone cube root cubic inches curve cylinder degrees diam diameter distance divide the product divisor edge ellipse equal EXAMPLES extract the square feet long feet per second find the area Find the content find the number find the solidity foot frustum gauge point given number head diameter height hyperbola hypotenuse imperial gallons inches in diameter lever major axis middle diameter middle frustum miles minor axis Multiply the square nearly number of acres number of teeth octagon ordinate parallel perpendicular plane polygon pounds prism pyramid quotient radius rectangle remainder rhombus right angles rods semi-major axis slider sliding rule specific gravity sphere square inch square root subtract thickness triangular ungula velocity versed sine vertex vessel wheel wine gallons yards