JEFFERSON ELECTRIC COMPANY, Bellwood, Illinois / USA (1950) *********************************************************************** 115 VAC / 60 Hz gold plated ; with fluorescent Radium Hands & Figures This "ArtDeco" clock, is a " M Y S T E R Y ", because no driving force can be seen. To unveil its "SECRET", look behind ... ... A GLASS IN A GEAR-RING ( hidden in the golden ring ) is revolved ( 1 turn per hour ) by a SYNCHRONE MOTOR in the base. Attached to the glass is the MINUTE HAND ON FRONT. On the BACK SIDE of the central axle is a GEAR ( with a WEIGHT ) what drives the HOUR HAND. H I S T O R I C A L R E M A R K S : ----------------------------------------------------------------------- The JEFFERSON ELECTRIC CO. was founded 1915 in Chicago and was named after President Thomas Jefferson, who was also an inventor. JEFFERSON bought the original patent of the "Mystery Clock" from the Dutch clockmaker, Leendert Prins. Starting in 1949, the » Golden Hour « was manufactured for 41 years until 1990. In the Base-Plate engraved is a Date-of-Maintenance = 1969 ... ... A lot more to find in Roger Russell's History Page ... http://www.roger-russell.com/jeffers/jeffers.htm R E M A R K : N I G H T - L I G H T C L O C K ======================================================================= ... Placed a "DoubleColor"-LED on the back side over the cable, wired in series to the motor, creates a beautiful NIGHT-LIGHT CLOCK: Time is readable against the illuminated wood wall ... impressum: *********************************************************************** © C.HAMANN http://public.BHT-Berlin.de/hamann 07/07/13 |