Wake-up Drum Clock with Alarm Clock Signed 'Johann georgi Kevler in Laba[...]'.
circa 1680
Silver dial with gilded and engraved brass rim, Roman numerals divided at 15 minutes for the hours, Arabic numerals for the alarm with a disc in the centre engraved with roses and tulips, cut-out, gilded and engraved brass hand; movement with gilded brass plates, openworked and engraved cock, spring adjustment by worm screw with silver disc, balance-spring adjustment by a straight arm adjusted on a scale applied to the plate from 1 to 7, verge escapements, fuse with chain, baluster pillars, striking on a stamp; the case in plain openworked gilded brass
D. : 7.7 cm (3 in.)
A spool-shaped alarm clock, signed 'Johann georgi Kevler in Laba[...]', circa 1680