n.Brass Protractor.Horn Protractor.Divided Rule, 3.50 132 Wadsworth. Howland & Co., No. 164. Rosewood l!ox, with Lock and Key, the Instruments set in aTray, so that Colors, &c., may be put below: containing pair6 inch Needle Point Dividers, with Pen and Pencil Points andLengthening Bar.Pair… … No. 165. 165. Same as No. 164, with the addition of a pair of Proportional Dividers; has no Brass Protractor, but has Wood Triangle and Irregular Curves, ........ 7.50 166. French Brass Instruments on Cards: pair 4^ inch Dividers, with Pen and Pencil Points, ....... .60 Protractors of Horn, Brass,…
Artists' materials · Mathematical instruments
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