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The American house-carpenter; a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs. Together with the most important principles of practical geometry (1852)

Hatfield, R. G. (Robert Griffith), 1815-1879 · New York : J. Wiley · leaf 29

An illustration from The American house-carpenter; a treatise upon architecture, cornices and mouldings, framing, doors, windows, and stairs. Together with the most important principles of practical geometry, 1852, leaf 29
Fig. 17. Fig. IS. Fig. 19. Fig. 20. 47. A circle is a figure bounded by a curved line, called the circumference ; which is every where equi-distant from a cer-tain point within, called its centre. The circumference is also called the periphery, and sometimesthe circle. 48. The radius of a circle is… … Fijr. 21. 49.—The diameter is a right line passing through the centre,and terminating at two opposite points in the circumference.Hence it is twice the length of the radius, (c d, Fig. 21.) 50.—An arc of a circle is a part of the circumference, (c b orbed, Fig. 21.) 61.—A chord is a right line…

Carpentry · Architecture

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