O
OAKHAM or OAKUM to OPEN with a place
OAKHAM or OAKUM
OAR
OBSERVATION
OFF
OFFING
OFFWARD
OKER
OLERON
OPEN to the wind or sea
OPEN with a place
OPENING to OUT-FIT
OUT OF TRIM to OWNER
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OBSERVATION
OBSERVATION, the art of measuring the altitude of the sun or a star, in order to determine the latitude, or the sun's azimuth, &c.
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Reference Works |  |
© Derived from Thomas Cadell's new corrected edition, London: 1780, page 207, 2003
Prepared by Paul Turnbull
http://southseas.nla.gov.au/refs/falc/0902.html