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 207
ed to fasten the three tripod legs together. Whenusing the surveying instrument, it is not necessary to remove the padfrom the tripod. This useful article will be appreciated by all who havedone any hiking with a surveying instrument. 7425 Tripod Pad, as described above each, $2.00 Tripod… … Solar Attachment, if ordered with new instrument $50.00 (This solar attachment, attached to any transit with bubble and verticalcircle, serves to obtain the meridian, latitude and time, with great accuracy,and can be used also as a vertical sighting telescope.) Bone Oil, best quality, for surveying…
Drawing instruments · Surveying -- Instruments
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