DECEMBER 13, 1881 UNITED STATES PATENT OFFICE SUBMISSION BY JAMES M BLACKMAN OF CHICAGO, ILLINOIS FOR AN IMPROVED VENTILATOR WHEEL OR FAN. 

INCLUDES TWO PAGES: DESCRIPTION PAGE AND IMAGES. 

IN FAIR ANTIQUE CONDITION: INCLUDES MAILING FOLD AND RIP, TEARS, ROLLING ALONG EDGES. 

PLEASE SEE PHOTOS

MEASURES 8 X 11.5 INCHES

Please view our other auctions, we are selling 10,000 original New England Letterheads & Ephemera from a prominent life long collection. Industrial, Occupational, Financial, Trades, Stock Certificates and other ephemera.

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Please see photos and buy with confidence.

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WE SHIP GLOBALLY

Techantiques is excited to announce that it has acquired numerous estate collections and select consignments of steam engines, scientific, mechanical, Industrial Age, transportation and other similar delectable items. Including a major book and catalog collection. We have an incredible selection of steam models and full size, stationary, marine engines, a prominent university physics lab collection of philosophical, scientific and demonstration artifacts from 1830-1900.

Techantiques currently has 2,700 positive feedback ratings since its inception in 1997. Please review our feedback for excellent representation, presentation, customer satisfaction, and above all, communication. We are known for quality preparation, packaging, shipping, and our customer satisfaction guarantee policy. Satisfaction a must...

Techantiques will ship globally anywhere in the free world. For shipping inquiries, contact us through eBay.

Techantiques buys complete collections, individual items, or will accept select items on a consignment basis.

Note: We will sell your consignment(s) without the need to ship to us. Inquire for further information.

We are most interested in purchasing one or whole collections of large and small full size, model, toy steam engines and or related items.

We will provide an opinion of value and desirability of any interesting item you might have at no charge. Techantiques has a 40 year reputation of appraising mechanical, industrial, scientific and technological items of all kinds. Formal appraisal services offered, licensed, bonded , references upon request from museums , collections , individuals and corporations.