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An English Compass Sundial Calendar Compendium, in the form of a complex perpetual calendar box, with two volvelles and revolving world times indi...
A Pocket Sundial,
A Pocket Sundial, by Watkins and Hill, including sundial, with floating card compass, in velvet lined red morocco case09/09/2017 Condition Report:...
Six 18th Century Calendar Medals, by John Powell, with Julian calendar example, 1748, and Gregorian calendars for 1756, 1774, 1787, 1793 & 1797, ...
A French Perpetual Calendar,
A French Perpetual Calendar, finely drawn and illustrated in pen & ink, in rosewood frame, calendar covering 144 years from 1832
A Ship's Bulkhead Clock,
A Ship's Bulkhead Clock, by Mercer, brass cased, white dial inscribed 'Observator Rotterdam, Mercer St Albans England', mounted on mahogany back-b...
A Boxwood 15 Minute Sand Glass
A Boxwood 15 Minute Sand Glass, turned box wood top and base
A 17th Century Ivory Nuremburg Diptych Pocket Sundial, by Melchior Karner, Leaf 1a - With compass viewing aperture and 32 point wind rose around...
A 17th Century Ivory Magnetic Azimuth Pocket Sundial, by Charles Bloud, circa 1670, Leaf 1a – Equinoctial dial numbered 1-12, 1-12 divided to 30 ...