Real Photo Postcards Featuring Machinery and Technical Instruments, Lot of 9

Lot of 9. Highlights include a postcard featuring a generator shaft at Grand Coulee Dam in Washington, a large telescope inside of Mt. Wilson Observatory near Pasadena, CA, part of a 20-mile long water pipe extending from San Juan to Manila, and men working on a large engine of some kind. 7 postally unused; 2 with postage stamps and inscriptions, including one cancelled at Wilkes Barre, PA, 1940, and one cancelled in Saint Ignace, MI, 1948.


Postcards with varying amounts of surface soil and wear to edges.

Estimate: $100 - $200
Price Realized Including Buyer's Premium


Have a Similar Item?

Consign With Us

Let Cowan's Handle Your Shipping!

Cowan's is one of the only houses to offer full service, in-house shipping. Please note shipping costs are factored by weight and size, not purchase price. Larger items like furniture may incur a higher shipping charge. Our experts pack and ship over 5,000 purchases each year. Shipping costs are included on every invoice to make getting your items as fast and easy as possible. For more information, click HERE or contact shipping@cowans.com