TY  - BOOK
AU  - Grossmann,M.
TI  - Der freie Ankergang für Uhren
PY  - 1893///
CY  - Bautzen
PB  - Hübner
KW  - Clocks and watches
KW  - Escapements
KW  - EscapmentScie
KW  - Germany
KW  - lever escapement Ankergang
KW  - escapement advanced theory technical
KW  - Grossmann Moritz
KW  - Watch (general)
ER  -