n Protractor and Divided Rule ...... 3,50 Rosewood Box (with Lock and Key, the Instruments set in a Tray,so that Colors, etc., may be put below), containing i pair 6 inch Nee-dle Point Dividers, with Pen and Pencil Points and Lengthening Bar;I pair 4i inch Plain Dividers; I pair 3^ inch Needle… … No. 165. No. 165. Same as No. 164, with the addition of a pair of ProportionalDividers; has no Brass Prutractor, but has Wood Triangle andIrregular Curves ....... . . 166. Irench Brass Instruments on cards; pair 4^ inch Dividers, withPen and Pencil Points ........ PROTRACTORS OF HORN, BRASS,GERMAN…
Artists' materials · Mathematical instruments
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