Manual of modern surveying instruments and their uses .. (1893)
Lietz, firm, math. instr. makers, San Francisco. (1893. The A. Lietz company) [from old catalog] · [San Francisco] The Company · leaf 203
for every sheet of thecross-section paper used. The instrument we keep in stock is Amslers Planimeter,No. 4 (German Silver), price $30; but we will, upon order,procure for our customers any one of the highest grade plani-meters, or Integrators for measuring areas, moments and mo-ments of inertia.… … Pocket Compasses, with folding sights, varying in price from $6 00 to $25 00
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
