Text-book of Modern Carpentry: Comprising a Treatise on Building-timber, with Rules and Tables for Calculating Its Strength, and the Strains to which Each Timber of a Structure is Subjected; Observations on Roofs, Trusses, Bridges, &c. and a Glossary, Explaining at Length the Technical Terms in Use Among Carpenters
Crosby, Nichols, 1858 - 180 σελίδες
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applied arch bark beam boards body bolts bridge building called carpenter carpentry centre circle circumference common considered construction contains continued covered curved denotes depth describe determine diameter dimensions direction divide dome draw driven entire equal examples exerted exhibits experiments feet figure FIND floor foot force formed framing give given half horizontal hundred inches inclined iron joists kind length less measure method mortise Multiply nailed named nature nearly pass piece piece of timber piece of wood pine placed plane planks plate position pounds practice principal PROBLEM properly purlins rafters remain represent resist rest right angles roof RULE scale seasoned short side solid span spruce square stick strain strength struts subjected surface tenon term thickness thing tie-beam timber tion tree truss usually wall weight whole wide wood
Σελίδα 77 - 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 70 - To find the area of a parallelogram (65), whether it be a square, a rectangle, a rhombus, or a rhomboid. RULE. — Multiply the length by the breadth, or perpendicular height, and the product will be the area.
Σελίδα 73 - Problem 14. — To find the area of a sector of a circle. Rule. — Multiply the arc of the sector by half the radius. Example. — How much tin is required to cover a 60° sector of a 10 foot circular deck?
Σελίδα 71 - Multiply the square of the side of the polygon by the number standing opposite to its name in the following table, and the product will be the area.
Σελίδα 74 - To find the solidity of a sphere or globe.. RULE.* "... Multiply the cube of the diameter by .5236, and the product will be the solidity.
Σελίδα 71 - To find the area of a regular polygon. RULE.* Multiply half the perimeter of the figure by the perpendicular falling from its centre upon one of the sides, and the product will be the area.
Σελίδα 73 - Multiply half the circumference by half the diameter, and the product will be the area.
Σελίδα 27 - ... method of barking the trees standing in the spring, and felling them about the end of October.:): Duhamel, whose extensive knowledge of the nature and qualities of woods is well known, recommends the same method; and Evelyn states, that " to make excellent boards and planks, it is the advice of some, you should bark your trees in a fit season, and so let them stand naked a full year before the felling.