5954172 A month-going bodenstanduhr with equation of time and full calendar, 1806 (mahogany case) by Austrian School, (19th century); height: 204.5 cm; Private Collection; (add.info.: Peter Lazarus in Wien. The architectural case with detachable front panel and glazed sides to the trunk, with ormolu bezel to the later silvered dial with painted chapters and subsidiary rings for seconds, month with number of days and date, signed PETER LAZARUS IN WIEN, blued steel hour and minute hands and equation hand with sunburst, the substantial movement secured with latches to a brass bracket on the back board, the thick brass plates with canted shoulders and joined by six large latched and ringed pillars, high count five wheel train with Graham-type dead beat escapement with adjustable pin to chamfered steel crutch, all pivots with end caps to the back plate, maintaining power to the third wheel, stopwork in the English style to the left side, the front plate with equation cam and planetary wheelwork, the back plate signed Peter Lazarus/burgls Gross Uhrmacher Meister/in Wien/verfertiget Anno 1806., pendulum with chamfered brass rod, heavy lenticular brass-cased bob and calibrated rating nut, brass-cased weight.); Photo by Christie\'s Images.