The description and use of four new instruments [electronic resource] : viz. First. The variation and tide instrument. Second. A lunar instrument for shewing the places of sun and moon; ... Third. The improved analemma, ... Fourth. The panorganon for solving those of the terrestrial globe; ... By Benjamin Donn.
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| Language: | English |
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London :
Sold by Messrs. Mount and Page; B. Law; J. Johnson; R. Sayer; Messrs. Heath and Wing; and by the author at Bristol. Of whom may be had, the instruments,
[1772?]
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