TY  - BOOK
AU  - Howse,Derek
AU  - Hutchinson,Beresford
TI  - The Tompion clocks at Greenwich and the dead-beat escapement
PY  - 1971///?]
CY  - [England]
PB  - [publisher not identified]
KW  - Astronomical clocks
KW  - England
KW  - Greenwich
KW  - Clocks and watches
KW  - Escapements
KW  - Tompion
KW  - dead beat escapement
N1  - Cover title; Reprinted from Antiquarian horology, December, 1970, and March, 1971; Includes bibliographical references and index
ER  -