Catalogue : mathematical and engineering instruments and materials manufactured and imported by James W. Queen & Co. (1880)
James W. Queen & Company · James W. Queen & Co. · leaf 57
^1 IP ^■^^^^ ■ ■ i m 1 m Wtkt*- H^H^■H• * I ^H •- fojfffiyj&toLii/tt Are;* 56 JAMSS W. t^UJEBN <fc CO., PHILADELPHIA, … A 490. No. Pbice A 490. Crozet Protractor, 8-inch \* reading to 1 minute, . . . $-lo.00 An extremely useful and practical instrument, which may be used alone: :\ straightedge, and angles set off without the necessity of bringing the centre of the protractorover the starting point.
