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Auktionen Dr. Crott 91st Auction

191 192 German, Inventory No. 46, No. 951, Height 290 mm, circa 1890  A rare precision table pendulum clock with decimale time, a so called “Durchgangsuhr”. A special type of an astronomical pendulum clock Case: walnut, veneered, rectangular base plate with two screws for the beat regulation, oblong case, gimballed handle, removable rear door panel. Dial: silver, inlaid Arabic numerals, auxiliary seconds “0-90” at “12”, outer minute chapter ring “0-90”, window for hour indicator “1-0”, blued hands. Movm.: brass full plate movement, gilt, Graham escapement, 1 barrel/ fusee, keywind, round pillars, wooden pendulum rod with brass bob. Illustrated and described in “Präzisionspendeluhren 1” by Jürgen Ermert, JE publishing, Overath, 2015, pages 93 ff. 德國 — 罕見的精密古老十進時座鐘,所謂的”Durchgangsuhr”( 凌行星時鐘)。 一座特別款式的天文系列擺鐘 40951  C: 2 D: 2 M: 2, 41  7.900 - 9.500 EUR 8.700 - 10.500 USD 71.100 - 85.500 HKD A rare marine chronometer with documentation from the years 1890-94 and 1970  Case: mahogany, brass inlays, numbered mother of pearl shield, applied handles, with lid and slide, case key, oval shaped gimbals. Dial: silvered, signed, numbered, radial Roman hours and minutes at “12”, large auxiliary seconds, spade gold hands. Movm.: brass movement, gilt, polished, applied platform with spring detent escapement, No. 113, blued screws, bimetallic chronometer balance with 2 screws and 2 movable trapezoid weights, helical hairspring, diamond endstone on balance. 寶璣 — 罕見的航海時計,附1890-94年及1970年的相關文件 40955  C: 2, 11 D: 2 M: 2, 41  11.000 - 15.000 EUR 12.200 - 16.500 USD 99.000 - 135.000 HKD