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 83
imagined than enumerated.These results have been obtained by sliding the triangle on which the pivot is mountedalong a straight edge, keeping one side of the triangle against the tracer and conse-quently against the pencil. In this way the scale parallel to the straight edge isretained and the… … The Sphinx Section Liner is very simple in construction, but nevertheless doesvery accurate work, whether for close section-lining of loo to the inch, or wide spacingof 2 to the inch ; it can be adjusted to any number of lines per inch and to any anglewithout changing the position. The instrument…
Drawing instruments · Surveying -- Instruments
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