TY  - BOOK
AU  - Brusa,Giuseppe
AU  - Leopold,John H.
TI  - The vertical stackfreed: mechanical evidence and early eye-witnesses 
PY  - 1997///
CY  - [Italy]
PB  - [Instituto e Museo di Storia della Scienza Firenze]
KW  - Clocks and watches
KW  - Design and construction
KW  - Calibration
KW  - History
KW  - Italy
KW  - Vertical stackfreed
KW  - Olschhi Leo (Editor)
KW  - Pocket Watch
N1  - In: Nuncius. - Firenze. - Anno 12 (1997), fascicle 2, pages 412-426
ER  -