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|---|---|---|
 Date: 2011-07-23 00:08:33Pendulum Escapement National Association of Watch and Clock Collectors Clock Bob Sigmund Riefler Movement Riefler escapement Horology Measurement Time |
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| First Page | Document Content | |
|---|---|---|
Date: 2011-07-23 00:08:33Pendulum Escapement National Association of Watch and Clock Collectors Clock Bob Sigmund Riefler Movement Riefler escapement Horology Measurement Time |
Add to Reading List |
nawccnewsletterOct2009.pub