Patent Model - Hollow Auger

Maker and role
George Nye (b.1815, d.1900), Patentee
Addison Haviland (b.1829, d.1891), Patentee
Production date
May 22 1860
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Object detail

7 3/8 x 1 1/2" (18.7 x 3.8cm)
Nye and Haviland's improvement "relates to the head or cutting portion of those boring machines which are tubular, and designed to remove an annular portion of the wood and leave a rod or 'core' remaining. They are chiefly employed for boring long distances, such as water pipes, etc., and being necessarily driven at high rates of speed, are liable to choke and clog from the difficulty of removing the chips as fast as required, and also to heat and otherwise injure the implement, thereby necessitating a slow rate of boring. Our improvements are designed to remedy these difficulties and by facilitating the removal of chips enable the work to be accomplished much more rapidly, and in a better manner." (Patent Number 28,400)
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