Improved Challenge Automatic Ore Feeder Patented & Introduced by Joshua Hendy in 1875. MINING - ORE FEEDER.
Improved Challenge Automatic Ore Feeder Patented & Introduced by Joshua Hendy in 1875.

Improved Challenge Automatic Ore Feeder Patented & Introduced by Joshua Hendy in 1875.

San Francisco. Joshua Hendy Iron Works. 12- 1908.
Bulletin No. 118. Booklet, illustrated in black and white, 8 pages including covers, 10 1/4 x 6 3/4 inches, stapled. 1 inch crease to left top edge, 2 soft horizontal folds, light soiling and 3 very short tears to back cover; overall good clean condition. Loosely inserted is a sheet with color image of the Henry Pioneer Mill. Beautifully precise illustrations of attractive metal machinery. The introduction states: "A lengthy description of these Ore Feeders is unnecessary. They are now so well known and have been in successful operation for so many years that the advantages to be gained by their use in stamp-mill operations is admitted by every one." Item #55815

Price: $45.00

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