Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc. / Kolesch & Company. (1917)
Kolesch & Company · Kolesch & Company · leaf 117
all steel wheels(see cut), which raise the triangle off the drawing just high enough toclear the same. The edges of the steel wheels are so fine that they willnot pick up or blur freshly inked lines when the triangle is run throughor over these lines. An additional advantage is that the triangle… … The Isosrraph in r*e ! A very ingenious and novel instrument for making drawings inIsometric perspective, which means that all lines, although apparently inperspective, are actual size in the scale to which the drawing is made.Useful for working drawings, as the article drawn is shown in…
Drawing instruments · Surveying -- Instruments
Internet Archive Book Images · Canadian Centre for Architecture · No known copyright restrictions (public domain). Free to use for anything.
