The Boilermaker's & Iron Shipbuilder's Companion ...

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Άλλες εκδόσεις - Προβολή όλων

Συχνά εμφανιζόμενοι όροι και φράσεις

Δημοφιλή αποσπάσματα

Σελίδα 219 - Tojind the surface of the fnt stum of a cone or pyramid. RULE. Multiply the sum of the perimeters of the two ends by the slant height, and...
Σελίδα 212 - To find the circumference of a circle when the diameter is given, or the diameter when the circumference is given. RULE. — Multiply the diameter by 3.1416...
Σελίδα 213 - As 7 is to 22, so is the diameter to the circumference; or, as 22 is to 7, so is the circumference to the diameter.
Σελίδα 213 - Multiply the square of the diameter by .7854, or the square of the circumference by .07958, and the product will be the area.
Σελίδα 211 - Rule — From the square of the hypothenuse subtract the square of the given side, and Fig.
Σελίδα 218 - To Find the Solidity of the Frustum of a Pyramid. Rule: Add to the areas of the two ends of the frustum the square root of their product, and this sum multiplied by one-third of the perpendicular height will give the solidity.
Σελίδα 215 - RULE. Multiply the side of the cube by itself, and that product again by the side ; and the last product will be the solidity required.
Σελίδα 212 - To find the area of a trapezium. RULE. — Divide the trapezium into two triangles by a diagonal, and then find the areas of these triangles ; their sum will be the area of the trapezium.
Σελίδα 219 - Multiply the sum of the perimeters of the two ends by the slant height or side of the frustum, and half the product will be the surface required.
Σελίδα 218 - RULE. To the product of the diameters of the two ends add the sum of their squares; multiply this sum by the perpendicular height and by -2618 ; the product is the solid content. EXAMPLE 1.

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