Elementary Projection Drawing: Theory and Practice. for Preparatory and Higher Scientific Schools, Industrial and Normal Classes; And the Self-Instruction of Teachers, Inventors, Draftsmen, and Artisans. in Six Divisions
Elementary Projection Drawing: Theory and Practice. for Preparatory and Higher Scientific Schools, Industrial and Normal Classes; And the Self-Instruction of Teachers, Inventors, Draftsmen, and Artisans. in Six Divisions
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 Excerpt: ...and on its horizontal base. The points where these shadows meet the front edges of this top and this base, will be points of the shadow on the slanting face, qne. By Prob. 3 is found gc, the shadow of the upper back edge, ax--a'x1, of the timber, AA', upon the top of the abutment, c, the point where it meets the front ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 Excerpt: ...and on its horizontal base. The points where these shadows meet the front edges of this top and this base, will be points of the shadow on the slanting face, qne. By Prob. 3 is found gc, the shadow of the upper back edge, ax--a'x1, of the timber, AA', upon the top of the abutment, c, the point where it meets the front edge, ec, is a point of the shadow of AA' on the inclined face. By a similar construction with any ray, as bp--b'p', is found qp, the shadow of c'b'--db upon the base of the abutment; and q, where it intersects nq, is a point of the shadow of db--c'b' on the face, qne. The point, dd', where the edge, db--c'b', meets dc, is another point of the shadow of that edge; hence dq--d'q' is the shadow of the front lower edge, db--c'b', on the inclined face of the abutment. The line through cc', parallel to 7q--d'q', is the shadow of the upper back edge, ax--a'x!, and com." tes the solution. 178. Prob. 10. To find the shadow of a pair of horizontal timbers, which are inclined to the vertical plane, upon that plane. PI. IX., Fig. 89. Let the given bodies be situated as shown in the diagram. In the elevation we see the thickness of one timber only, because the two timbers are supposed to be of equal thickness and halved together. As neither of the pieces is either parallel or perpendicular to the vertical plane, we do not know, in advance, the direction of their shadows. It will therefore be necessary to find the shadows of two points of one edge, and one, of the diagonally opposite edge, of each timber. The edges which cast shadows are ac--crV and ht--e'h', of one timber, and ed--e'k and mv--a'm" of the other. All this being understood, it will be enough to point out the shadows of the required points, without describing their construction. (Se...
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New. Trade paperback (US). Glued binding. 232 p. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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