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 204
No. 4: No. 47. Prismatic Compass, 3 inches diameter, with divided ring on needleand folding sights; packed in neat case, very convenient forrecon- noissance |15 00 These Compasses range between $15 00 and $48 00. … Small Pocket Compasses, with or without sights, ranging in price from $1 00 to $8 00 No..48. Miners Compass, or Dipping Needle. An instrument for determin-ing the location of iron by means of a magnetic needle. Price. .. .$14 00 No. 49. Prospectors Pocket Balance, for making a field analysis of…
Surveying
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