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Construction Trucks Patent Prints - Set of 6 Vintage Vehicle 8x10 Photos
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About Construction Trucks Patent Prints - Set Of 6
Construction Trucks Patent Prints On July 26, 1932 Ira Wells patented the road working machine. The road graders have a scraper blade mounted under the tractor chassis with the scraper blade being pivotable about a vertical axis. The excavating apparatus was patented by Charles Davidson on Oct 3, 1933. This invention relates to excavating apparatus, more particularly to the kind generally known as steam shovels with Caterpillar or crawling tractor belts. Andrew Brumbaugh patented the dump truck on June 5, 1934. The hydraulic pressure system embodies means for opening the rear end door.Charles Ball patented the discharge mechanism for concrete mixers on July 2, 1935. This invention relates to the discharge mechanism for concrete mixers and has for one of its objects to provide a device of this character which will be simple in construction, comparatively, inexpensive to manufacture and install. Joseph Glassner patented the scraper on May 28, 1935. The general purpose of the invention is to provide a combined scraper and roller. Bryant Essick patented the road roller on Dec 19, 1950. The purpose of this invention is to provide a general road roller construction which is simple, practical and convenient to operate. ------------------------------------------------------------------------------ Why BigWig Prints is the PREMIER PHOTO Seller on Amazon... Professional Quality Photographs and Prints at GREAT Prices Our photos are developed on 100 year archival premium-grade paper in a rich gloss finish. 30-Day Money-Back Guarantee You may return your photos within 30 days for a full refund of the purchase price. Super Fast Shipping time All our photograph orders are processed and fulfilled by Amazon. FREE Two-Day shipping with Amazon Prime!!
