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Kinns, Roger.
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0 works in 1 publications in 1 languages
Titles
The world of visual time signals for mariners = time balls, time guns, time lights and other signals /
by: Kinns, Roger.; SpringerLink (Online service)
(Electronic resources)
Subjects
Chronometers.
Space Studies.
History of Science.
History of Physics and Astronomy.
Nautical instruments.
Time-signals.
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