Radford's cyclopedia of construction; carpentry, building and architecture. Based on the practical experience of a large staff of experts in actual constrcution work (1909)
Johnson, Alfred Sidney, 1860-, Radford, William A., 1865- · Chicago Radford Architectural Co · leaf 283
has been patented. By it, di-awingscan be reproduced on linen or paper, and thelines are practically as black as the original.They closely resemble etchings. For very finework, this process makes splendid reproduc-tions; but it is more expensive than any of theprocesses above mentioned. Hectograph… … m O o<;Cm <m o o ^^. 2i at, o op—( 02 WQ Q « Qz J J ARCHITECTUKAL DIJAFIIXG 241 being in contact for about two minutes, they areremoved, and blank paper is brought in contactwith the pad, being in tiun removed. It will befound to give a complete drawing similar to theoriginal in scale, color,…
Architecture · Building
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
