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Posted: Saturday, November 18, 2017 7:24 AM

I am offering a refurbished (not a reproduction) early 1900s English Thermograph, Based on the design, materials used, and quality it was likely built by the prestigious F. DARTON & CO. established in London during 1834. This mechanical device is designed to record temperature, in a confined area, over a seven day period. It consists of a wind-up mechanical rotating wind-up drum holding a temperature chart, plus a bimetal mechanism sensitive to temperature changes. A stainless steel arm holding an ink nib (pen) scribes the temperature changes on the chart. The copper and brass hinged case measures 10” wide x 5” deep x 6” tall and is attached to a cast iron base, which has all the components attached. The eight day clock mechanism was built by "GLUCK BAROGRAPHS AND RECORDERS CO. LTD." and is signed "7D" "R8D" “MADE IN ENGLAND". Also included are: the original clock key, a small bottle of black ink and a French paper chart which has some ink stains and scribbling. There is a metal tag attached to the base which reads: "ON" (with an arrow through the middle) and "SERIAL № 7243". This is a very rare and unique artifact and appears to be functional, but there is no assurance will work after shipping. Additional Nautical Items Available - Please Call Cliff @ 760-736-8101 For More Information.

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• Location: San Diego, SAN MARCOS

• Post ID: 20587082 sandiego

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