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 136
fig. -18. We now proceed, as a conclusion to this department, to give a fewexamples to serve as copies to the student, in copying which he will findhis operations much facilitated if he has paid full attention to the pre-liminary lessons. The copies given in perspective are set out by the rulegiven… … fiff. 49. 134 ILLUSTltATED AUfHITECTrnAL, Example 40, fig. 49, is a transverse vertical section of Nasmyths steamventilating-fan. ExAMri,K 47, fig. oO, is a longitudinal vertical section of an aeratedAvater-machine.
Architectural drawing · Mechanical drawing
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