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2021-01-05 14:31:06
[Engraved Perpetual Calendar].
London.: John Seller., c. 1680. An exceptionally rare English calendar with two revolving dials (one giving the date, the other, the month with its corresponding number of days). Around the central calendar and dial are emblematic figures of the gods representing the days of the week: Apollo (Sunday), Diana (Monday), Mars (Tuesday), Mercury (Wednesday), Jove or Jupiter (Thursday), (Friday) and Saturn (Saturday).John Seller (1632-1697), whose initials appear at the foot, and his full name in the globe at the head, was one of the most important mapmakers and makers of scientific instruments in seventeenth-century London. Examples of paper instruments made by him are exceptionally rare, and while the perpetual calendar may have been one of his simplest offerings in this line it probably had the widest appeal. However many copies he printed, its rarity is understandable: we can find no example of this calendar in library catalogues, though a similar calendar (also framed, with rundles, but uncoloured) appeared in the British trade several years ago (then described as possibly unique). The estimated date of production is approximate, and based partly on Seller's output of pocket almanacs and similar (at least one issued with volvelles) in the 1680s. The presence of his initials as well as imprint suggests that the engraved design is Sellers' own.Seller operated throughout his documented career from premises at the Hermitage Stairs in Wapping, but for a number of years maintained additional retail premises in and about the Royal Exchange. He was a member of the Clockmakers Compan … [Click Below for Full Description]
Bookseller: Justin Croft Antiquarian Books Limited [United Kingdom]
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