Definition of Patent log

1. Noun. A cigar-shaped log with rotary fins that measure the ship's speed.

Exact synonyms: Screw Log, Taffrail Log
Generic synonyms: Log



Definition of Patent log

1. Noun. (nautical) A taffrail log ¹

¹ Source: wiktionary.com

Patent Log Pictures

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Lexicographical Neighbors of Patent Log

patellulae
paten
patena
patencies
patency
patens
patent application
patent blue V
patent ductus arteriosus
patent hammer
patent hammers
patent infringement
patent law
patent leather
patent log (current term)
patent medicine
patent of invention
patent pool
patent pools
patent right
patent system
patent thicket
patent thickets
patent troll
patent trolls
patentabilities
patentability
patentable
patented

Literary usage of Patent log

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

1. The American Practical Navigator: Being an Epitome of Navigation and by Nathaniel Bowditch, George Wood Logan (1906)
"Though not a perfect instrument, the patent log affords the most accurate ... Various causes may operate to produce inaccuracy of working in the patent log, ..."

2. A Journal of Natural Philosophy, Chemistry and the Artsby William Nicholson by William Nicholson (1808)
"Mr. Massey's patent log ; 14. Mr. Massey's Sound- ing Machine ; 15. Diagrams illustrating the Problem respecting the Radius of Curvature ; 16. ..."

3. Simple Rules and Problems in Navigation by Charles Hurst Cugle (1918)
"patent log reads 18. At 3 PM Changed Course to 230° patent log 57 Deviation 2° W. At 7 PM Changed Course to 180° Deviation 2° E. At 10 PM Changed Course to ..."

4. Simple Rules and Problems in Navigation by Charles Hurst Cugle, Bradley Jones (1919)
"patent log reads 18. At 3 PM Changed course to 230°. patent log 57. ... patent log 72. Deviation 8° W. At noon patent log read 24. Current set 40° (Corr. ..."

5. Modern Seamanship by Austin Melvin Knight (1921)
"The speed of a ship may be measured by a patent log, of which there are many types, ... As the record of a patent log is one of distance and not of speed, ..."

6. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1911)
"patent log.—The screw or rotatory log of Edward Ma«scy. invented in 1802, came into general use in 1836 and continued until ..."

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