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 169
A 1657. Price. A 1657. Clinometer, of square frame, with arc running diagonally across, in box, §12.00 This form gives the instrument great firmness, and either of the four sides can beused for ascertaining the slope, thus enabling one to take the inclination of theunder side of a plane. … A 1658. A 1658. Lintons Hand-Level and Clinometer, . A 1659. Pocket Levels, mounted in brass, 3 inches long,A1660. Do. do. do. 6 do. A 1661. Do. do. do. 9 do. A1662. Do. do. do. 12 do. A 1663. Ground Level Bulbs, 2 to 6 inches long, fromA 1664. Unground do. do. do. from 20.00 .70 1.50 2.20 3.00 50…
