The little gold mine. Conklin's handy manual of the mechanical arts and house plans .. (1889)
Conklin, [George W.] [from old catalog] · Chicago, Laird & Lee · leaf 399
arc from point 5 to point 4, cuttingpoints 5 and4; do the same on the other end. Then draw astraight line from point 3 to 4, and same from i to r. Thiscompletes the pattern. Allow for locks or laps on bothends, and miter lines, of course. The method given above is an old one, but not so… … The foUovdng is a correct rule to draw any size or ovalused in the tin shop, wnth square and circle : Draw the line from I to 2, which is the length of the ovaLDraw line from center to 3, which is one-half the width, anddraw a line from i to 3. Set compass from i to center ;leave one point on i,…
Industrial arts · Workshop recipes · Architectural drawing
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