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A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)

Minifie, William, 1805-1880 · Baltimore, W. Minifie & co. · leaf 116

An illustration from A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained, 1849, leaf 116 — /■?(/. J /)(/. / … PLATE XXV. 59 centres are the points D and E in the base of the arch^ to whichall the joints radiate. Fig. 3.—The Depressed Arch Has its centres within the base of the arch^ the chords being shorterthan the span; the joints radiate to the centres respectively. Note.—There are no definite…

Mechanical drawing · Geometry, Descriptive · Perspective

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