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Four Colorado Iron Works pamphlets

Currency:USD Category:Collectibles / Mining Start Price:50.00 USD Estimated At:100.00 - 400.00 USD
Four Colorado Iron Works pamphlets
SOLD
75.00USDto S****2+ buyer's premium (16.88)
This item SOLD at 2015 Apr 10 @ 11:44UTC-7 : PDT/MST
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1-2) Pamphlet's # 33-a "The Akins Flotation and Aeration Machine" and 31-a "Grinding Machinery" are 16 pages each. 3) One pocket book of H. W. Fenerstein. 19 pages with 30 pages of notes Land Surveying with pages on hand written notes, geometric calculations, and records dated 1890. 4) Small 26 page "High Speed Crushing Rolls for Fine Ore Crushing." Illustrations throughout these pamphlets.

City: Denver
State: Colorado,
Date: c 1890

FHWAC#: 26812