1901 Ridson Gold Dredging Machinery Catalog on CD
From the Ridson Iron Works of San Fransico, CA we offer this wonderful 1901 publication of early gold
dredging and mining machinery. This catalog is over 100 years old, and offers a unique visual history of
early mining techniques.
A researchers delight, well illustrated, you will find photos of these machines in action, be it
for gold, silver or coal. View the many draftsmen drawings, complete with specifications - 54 pages on a
Gift Quality CD!
Gold Dredging Machinery
Sample thumbnails taken from the collection.
(Low resolution thumbnails - CD/DVD images are scanned at 300 DPI)