Definition of Screw log
1. Noun. A cigar-shaped log with rotary fins that measure the ship's speed.
Screw Log Pictures
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Lexicographical Neighbors of Screw Log
Literary usage of Screw log
Below you will find example usage of this term as found in modern and/or classical literature:
1. Scientific Opinion: A Weekly Record of Scientific Progress at Home & Abroad (1870)
"In 1792 Go wer patented a screw log, and several others followed his lead up to the ... It will be seen that the value of any screw log must depend on the ..."
2. Transactions by Society of Engineers (London, England), England Society of Engineers (London (1872)
"It will be seen that the value of any screw log must depend on the uniformity ... Tested by this rule the screw log is found wanting. In the first place, ..."
3. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"... patented a screw log, which has been so generally adopted that it deserves special notice and description. ..."
4. Glossary of Navigation: A Vade Mecum for Practical Navigators by John Bradley Harbord, H. B. Goodwin (1897)
"Mr. Edward Massey was the original patentee of the screw-log and has since introduced important improvements in its construction. ..."
5. The Life of Sir William Siemens by William Pole (1888)
"The patent contained also an application of the same principle to forming a screw log for measuring the speed of a ship through the water—a contrivance ..."