TY  - BOOK
AU  - Aydlett,Guy D.
TI  - A review of George Graham's classic escapement, or, Dead-beat by design
T2  - Supplement to the Bulletin of the National Association of Watch and Clock Collectors
PY  - 1973///
CY  - Columbia, Pa.
PB  - National Association of Watch and Clock Collectors
KW  - Graham, George,
KW  - Clocks and watches
KW  - Escapements
KW  - fast
KW  - Clock (general)
KW  - USA
KW  - Graham Dead-beat
KW  - Escapement
KW  - James, Kenneth
KW  - Escapment Science
N1  - Caption title; "References and notes": pages 48-52
ER  -