Catalogue. A.H. Abbott & co., manufacturers and importers of mathematical and surveying instruments and drawing materials of every description .. (1896)
Abbott, A. H., & co., Chicago. [from old catalog] · [Chicago] · leaf 106
728. For perspective drawing, ebony, with German silver mountings, 42 inches long, and two studs $11 00 ODONTOQRAPH. … 730. Templet Odontograph, for describing teeth of gear wheels,a valuable instrument for millwrights, machinists, patternmakers, etc., with full description, in case 8 50 Awarded a medal at the Centennial Exhibition. Illustrated Practical Treatise on the above Odontograph, by ProfeMOI S. \\ .…
Drawing instruments
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