Lot No. 429 (90th Auction)
class=Normal> G. F. Lockota in Prag, Höhe 350 mm, circa 1838
class=Normal> An important portica clock of three month duration with "full calendar for 100 years" ("Vollstaendigem 100-jaehrigen Kalender")
class=Normal> Case: ormulu, two Tuscan columns on an oval base plate carry a square moulded top with fret. Inset dials with engraved bezels between the columns. Clock movement below on four gilded paw feet, mounted on an oval wooden plinth with four toupie feet. Glass dome. Dial: upper part: brass, gilt, applied hour chapter ring with radial Roman hours, centre seconds, signed, engine-turned centre, blued spade hands. The calendar dial below with subsidiary gilt brass dials for days of the week, days of the month and months; lettering "Vollstaendiger 100 jaehriger Kalender", silvered and engine-turned mask, blued arrow-shaped hands. Movm.: gilt brass plate movement with screwed fluted pillars, 2 large barrels wound by angular gear; lever escapement, adjustable lever with polished steel pallets, crutch with beat regulation via a threaded rod, set and faceted diamond endstones. Heavy regulator pendulum with knife edge suspension, polished steel pendulum rod and polished brass bob. Additional movement for the "full calendar for 100 years" (perpetual calendar) in pancake design. Angular gear barrel drive.
class=Normal> Lockota presented this clock at the trade fair of 1838 in Prague. The paper "Bohemia - ein Unterhaltungsblatt" of June 5, 1838 discusses Lockota’s clock extensively and compares it to the cabinet clock by Willenbacher & Rzebitschek. That clock - which had a power reserve of one year - had been awarded a gold medal at the previous trade fair and was subsequently bought by Emperor Ferdinand I of Austria. The Willenbacher & Rzebitschek clock was sold as lot 133 during the Sotheby’s auction "Masterpieces from the Time Museum" in New York on June 19, 2002.
Estimate  32,000 - 40,000 €
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