Lexic.us

Definition of Screw augur

1. Noun. An orchid of the genus Spiranthes having tall erect densely flowered spiraling clusters of creamy white vanilla-scented flowers; widely distributed especially in low damp places of eastern and central North America.

Lexicographical Neighbors of Screw Augur

Literary usage of Screw augur

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report of Progress for by Geological Survey of Canada (1874)
"On the 14th Aug. we commenced boring with a screw augur 3" dia'r., and 1'2" in length, and worked with this tool a depth during the day of 25". feet. ..."

2. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... which forces a set of expanding bits or wedges into a bore-hole previously bored by a long screw augur or drill, worked by hand, the action of the press ..."

3. The Year-book of Facts in Science and Art by John Timbs (1858)
"... many other inventions and discoveries ; and new instances are «ver and anon turning up, as was lately the case with the screw augur and the Bramah lock. ..."

4. Johns Hopkins University Studies in Historical and Political Science by Johns Hopkins University (1896)
"Judge O'Neall states that the screw augur was invented by Benjamin Evans, a Newberry Quaker. In 1779, a body of Friends from a " distant land," probably ..."

5. The Gentleman Emigrant: His Daily Life, Sports, and Pastimes in Canada by William Stamer (1874)
""With an inch screw augur we pierce the trunk of each tree in a downward direction, to the depth of an inch and a half, and at the base of the cavity thus ..."

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