Lot No. 606 (89th Auction)
Johann Georg Mayr in Munich, Height circa 520 mm, circa 1670/1720

A unique night light projection clock of museum quality with astronomical indications - this is the only known night light clock with a full calendar
Case: oak, walnut veneer, square moulded base with L-shaped pilasters and projecting covings. Sides with inlaid baroque strap work, swivel door as front, mouldings and hipped gable, putti at the top to conceal the fume outlet. Inner case: drawer, bracket for the candle, concave mirror for the projection of the candle light. Dial: brass, firegilt, lavishly hand-engraved with floral scrolls of first-class quality. Main dial: applied chapter ring with inlaid, engraved, radial Roman numbers, blued and pierced hand. Inside the chapter ring, left: applied silvered ring with engraved planetary rulers of the day, with aperture in the inner disc to show the symbols of the planetary rulers. Inside the chapter ring, right: applied silvered ring with engraved days of the week, rotating disc with hand. Inside the chapter ring, centre top: auxiliary dial with the dominical letters and engraved gold hand for manual operation. The original years were later modernized by the years 1753-1769. Above, the projection lens with adjustable focal distance, flanked by two more chapter rings: left, the dates 1-31 indicated by a hand on a rotating disc; right, the moon age 1-29 1/2 indicated by a hand on a rotating disc with aperture for the moon phase. Above the lens a rectangular casket to hold little tablets with the months. Movm.: oval brass full plate movement, gilt, signed, florally engraved, brass train, verge escapement, pendulum with adjustable pendulum suspension with prolongable textile band over drum with scale and hand.

Johann Hans Georg Mayr (1650-1684)
From 1662 Johann Hans Georg Mayr was clockmaker to the court in Munich. During his short life he created mainly table clocks with astronomical indication such as horizontal table clocks and astronomical table clocks with musical mechanisms. Some of his clocks can be seen in the Bavarian national museum in Munich, in the "Kunsthistorisches Museum" in Vienna and in the "Mathematisch-Physikalischer Salon" in Dresden.
Source: G.H. Baillie "Watchmakers and Clockmakers of the World", London 1969, p. 215

This clock is described and illustrated in:
Klaus Maurice "Die Uhrmacher in Muenchen bis 1800", in: Uhren - Alte und moderne Zeitmessung, Issue 4, August 1989, Munich 1989, p. 21

Other clocks by Johann Hans Georg Mayr are described and illustrated in:
Juergen Abeler "Meister der Uhrmacherkunst", Wuppertal 1977, pp. 421.
F.J. Britten "Watch and Clock Makers Handbook. Dictionary and Guide", Baron Publishing, England 1976, p. 799
Ernst von Bassermann-Jordan "Alte Uhren und ihre Meister", Leipzig 1926, p. 263
H. Alan Lloyd "Clocks", London 1964, p. 100
Estimate  30,000 - 50,000 €

Price Realised  37,200 €
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