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 132
LEVELS. … 971No. Each. 971. Engineers Y Level, 15 inch telescope, in box, with tripod, complete $90 00 972. Engineers Y Level, 18 inch telescope, in box, with tripod, complete 110 00 973. Engineers Y Level, 20 inch telescope, in box, with tripod. complete 110 00 974. Engineers Y Level, 22 inch telescope, in…
Drawing instruments
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