TY  - BOOK
AU  - Earnshaw,Thomas
AU  - Griffiths,R.John
TI  - Longitude: an appeal to the public, stating Mr. Thomas Earnshaw's claim to the original invention of the improvements in his timekeepers, their superior going in numerous voyages, and also as tried by the Astronmer Royal by orders of the Commissioners of Longitude, and his consequent right to national reward
SN  - 0950962120
PY  - 1986///]
CY  - [Upton, Nottinghamshire]
PB  - British Horological Institute
KW  - Longitude
KW  - Measurement
KW  - Horology
KW  - Chronometers
KW  - England
KW  - longitude
KW  - Earnshaw
KW  - Marine Chronometer
KW  - UnitedKingdom
KW  - History
N1  - Limited edition of 350 copies
ER  -