The illustrated architectural, engineering, & mechanical drawing-book : for the use of schools, students, and artisans ; upwards of 300 illustrations (1856)
Burn, Robert Scott · London : Ward and Lock, 158 Fleet Street · leaf 128
rawnparallel to cd marks the point /where the curve fo terminates atthe boiler. The point n is the centreof the curve fo; transfer this partfrom/to n, and describe of. Froma measure to the lines o s, n in, anddraw lines through these parallel to <• d ; measure from d to r and g. The centre of… … 126 ILLUSTRATED AUCHITECTURAL, These are the points through which the centre-lines of each thread arcdrawn. From a measure to f, and draw fij ; and from a to b and f, and
Architectural drawing · Mechanical drawing
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