TY  - GEN
T1  - Parker's projection of the longitude at sea: whereby the mariners may be enabled to correct their accounts thereof, as often as they shall have the benefit of a clear sky and calm sea, at the time of the moon's visible southing. Communicated to and approved of by Dr. Halley, Astronomer Royal. By Benjamin Parker
DA  - [1731]
CY  - Nottingham :
AU  - Parker, Benjamin,
PB  - printed by A. Ayscough for S. Hodgkinson in, Derby, and sold by the booksellers of London and Westminster and at most seaport towns in England: also by Jer Roe, Bookseller in Derby,
PP  - Nottingham :
PY  - [1731]
N1  - Price from imprint: Price Six Pence.
N1  - Reproduction of original from British Library.
ID  - 619152
KW  - Longitude
TI  - Parker's projection of the longitude at sea: whereby the mariners may be enabled to correct their accounts thereof, as often as they shall have the benefit of a clear sky and calm sea, at the time of the moon's visible southing. Communicated to and approved of by Dr. Halley, Astronomer Royal. By Benjamin Parker
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ER  -