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Montana Mining Equipment Blueprints [148105]

Currency:USD Category:Collectibles / Mining Start Price:25.00 USD Estimated At:50.00 - 300.00 USD
Montana Mining Equipment Blueprints [148105]
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Two blueprints of mining equipment from Montana.

A) Blueprint of a Reverberatory Furnace at Zinc Casting Building drawn by William Wrath Jr. on September 28, 1926. Reverberatory furnaces were used for smelting and refining ore. This blueprint is approx. 21 x 32, good condition.

B) Blueprint diagram of the Skip Cage for No. 3 Shaft, Black Rock Mine, Butte, Montana. This diagram was drawn on February 19, 1916. It is approx. 35 x 25.5. Good condition except for a portion of the title in the lower righthand corner that has been cut out.

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State: Montana
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Provenance: Stuart Mackenzie Montana Railroad Collection