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 90
needle points. Dividers, 4^4 inch. Spring bow pen. Proportional dividers. Drawing pen, protractor, key and 2 patent pencil points 8 00 PROTRACTORS, Of Paper, Horn, Boxwood, Ivory, Brass or German Silver. No. Each. 510. Circular Protractor, on vegetable tracing paper, 14 inch diameter, %° $0 30 511.… … Semi-circular Horn Protractor, 4^ inch, 1 515. Semi-cif 516. k 517. ii 518. a 519. «< 520. ii 521. Circular 522. << 523. << 524. Square 525. «i 526. Railroad hyA ■ K° 6M %° 7 K° 8 V2° 8M * %° 4 1° 5H ■ <,° 6^ - \e \% • k» 6 * \4° Railroad Curve Protractor, horn,8 inch, V. with…
Drawing instruments
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