Glossary · Regulation
Observatory trial
A formal timekeeping competition held by an observatory.
Explanation
Trials such as those at Kew, Neuchâtel and Geneva tested movements over weeks; entries were often specially prepared.
Glossary · Regulation
A formal timekeeping competition held by an observatory.
Trials such as those at Kew, Neuchâtel and Geneva tested movements over weeks; entries were often specially prepared.