rare clock book

The Jost Bürgi Research Library at the Horological Society of New York
Keeping Time
Fortunat Mueller-Maerki’s passion for collecting books and ephemera related to time began with one clock.
Clock Book Ticks Up a Top Price on World Book Day
Yesterday’s World Book Day saw Dreweatts & Bloomsbury Auctions sell an extremely rare copy of Christiaan Huygens’ Horologium, 1658, for £54,560 in a sale of Printed Books and Man