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 168
A 1G50. Ko. A 1650. Lockes Hand, brass, .A1651. Do. nickeled, A1652. Do. German silver, … Price.$9.(010.00 10.00 A 1653. A165S. Abney Level and Geometer, \cVn,1,ina^^i;^ldo^n«lHand Level, with the Clinometer, giving anglesof elevation ana slopes, in wood box, 15.00
