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 155
and-Pinion Movement to Kye piece, Sights on Telescope, with Folding Joints, ?hts on Standards, at right angles toTelescope, . Graduation of Limb, on Solid Silver, • Do. do. do. 20 or 30, . . . Do. do. do. 10, • • • Do. on 4*-inch Vertical Circle, to read to 20 or 30 ,Extension Tripod furnished…
