NOCTURNAL (2)
Source: 566, 567
nocturnal (2). Nocturnal, n. an instrument of observation by night
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Noc‐tur″nal, n. An instrument formerly used for taking the altitude of the stars, etc., at sea. I. Watts.
Source: 566, 567
nocturnal (2). Nocturnal, n. an instrument of observation by night
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Noc‐tur″nal, n. An instrument formerly used for taking the altitude of the stars, etc., at sea. I. Watts.