Dating lecoultre atmos clock
It used the same gas and liquid ethyl chloride mixture found in Atmos clocks still currently made. I have sold many Atmos clocks to people, both new and used, and I can honestly say that in my experience with someone new to Atmos clocks, purchasing a new clock is a very good idea. The s' serial numbers start at , and stop about , The torsion pendulum of the Atmos clock makes only two oscillations per minute, keeping friction to a minimum. Numbers up to 6, were used for clocks made in and earlier. Prices at auction sites are often reflective of the current market value of most any item.
Find Clocks By Keyword Atmos Clocks The "Atmos" brand clock is an ingenius contraption that comes closest yet to being a "perpetual motion" machine. Estimating the value of your Atmos. A conventional pendulum swings at 60 times that rate. You'll never lose a winding key with this clock - it doesn't have one! Used clocks seem a good deal since they are often available pretty cheaply, but unless they have been overhauled and repaired, the deal may not be as good as it first appears. The rotation twists the suspension spring first one way, then the other twisting it, instead of swinging like an ordinary pendulum, releasing energy as it unwinds in each direction. This is most of what you find floating around. A good way of determining the approximate value of your particular clock is to regularly visit on-line Auction Sites; look for clocks at auctions similar to yours, comparing your clock to identical ones with the final "winning bid amounts". As a general rule, older clocks are more valuable than newer models. Step 1 Determine whether or not the LeCoultre Atmos clock functions and keep accurate time. It requires no batteries and no winding. Many people ask me to give a value to their Atmos clock. The s' serial numbers start at , and stop about , Fortunately, several very competent individuals exist that do this kind of work, for example: Check for discoloration of the brass or scratches on the glass. Atmos clocks with serial numbers between , and , are the 's, not much unlike the 's and 's models, with some cute variations like plastic cases with designs, unusual faces, hands, etc. There is a great difference between the value of a working clock and a non-working one. This constant expansion and contraction of the spring keeps the mainspring wound, eliminating the need for human intervention. Atmos clocks with serial numbers between 25, and , were made in the 's and 's. A working LeCoultre Atmos clock is more valuable than one that doesn't work. The Atmos II and caliber were not stamped on the bottom and are nearly identical. Andre Walliman of Antique Clock Repair at Mike Murray of Mike's Clock Clinic at In general, if you have an Atmos clock with a serial number lower than 10, or most particularly lower than 5,, you likely have a very early "mercury" type Atmos clock. Collectors want to know the serial number and age of a LeCoultre Atmos clock. Further, anyone finding an old Atmos clock must recall that the Atmos should be serviced every 20 years. Covers American, European and Continental clocks of all types. They come with a three year world-wide warranty and of course are perfectly mint new with all the manuals, boxes, etc.
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