TY  - BOOK
AU  - Gould,Rupert T.
TI  - John harrison and his timekeepers
U1  - 681.113 
PY  - 1978///
CY  - Greewich
PB  - National Maritime Museum
KW  - Harrison, John
KW  - Clocks and watches
KW  - History
KW  - Horology
ER  -