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 203
one foot for a distanceof 100 feet, but are adjustable for any other distance. Gradienter Attachments will be furnished with our instruments when-ever required. The Gradienter is a special tangent screw attached to theclamp of the telescope axis; it is divided into 50 parts, one complete… … Style A—The above cut represents the lower plate with the divisionsand numbering used on all of our stock transits. Numbered in two rowsfrom 0°-360° and from 360°-0°, the slant of the figures denoting the direc-tion. Inner row of figures is placed on Solid Silver, and the outer rowon the adjacent…
Drawing instruments · Surveying -- Instruments
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