. Catalogue : mathematical and engineering instruments and materials manufactured and imported by James W. Queen & A 737. A 737. (Win Silver Triangle, angles 45, 45, and. sides, 4 inches long, . u AA i3S-°s^ a sst* ^45; 45> ?-* ^r £ ,Tria^ ^les «- , and inches long, 90 degrees, * 00 degrees, • • 90 degrees, 90 degrees, 90 degrees, 90 degrees,• • . 90 degrees, isosceles • • isosceles • •isosceles ? •isosceles • •isosceles • •i so* vies isosceles IRREGULAR CTOVE& A 767. Whitewood Irregular Cu A767. 71 Pbici. $ &50 J

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Keywords: ., bookauthorjameswqu, bookcentury1800, bookdecade1880, bookyear1880