<primary>1</primary> <value>The Astronomical Watch by George Margetts in the possession of The Royal Institution, and some other timekeepers of Margetts</value>

1592970206000 1457712782000 publication-200003006 1616541569780 1457713017000 1616290558073 adlib fitz-online adlib-publication-200003006 ea90201c-a628-3801-bdce-1fc7b7b8d2db 2 The Astronomical Watch by George Margetts in the possession of The Royal Institution, and some other timekeepers of Margetts <primary>1</primary> <value>The Astronomical Watch by George Margetts in the possession of The Royal Institution, and some other timekeepers of Margetts</value> publication