A Thomas Staight sundial compass, the white 3cm dial signed T. Staight, London beneath the glass dome within an ornamental ivory collar and disc, this mounted with a curved mercury thermometer with Fahrenheit and Reaumur scales, the whole in a red morocco covered case, overall diameter 9.5cm. Note: An identical instrument is in the Gadd Collection, The National Maritime Museum, Greenwich, ref. D8654.
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Early Science antiques was founded in 1978 by Fred de Vree based in the Netherlands where I can also be visited by appointment. I have been active for 4 decades as an antiqair and auctioneer, the last 20 years of which are specialized in scientific antiques. I visit collectors and fairs in many European countries. looking for special items please feel free to contact me by Phone or email ,if you need any information on my listed items or something you are looking for 0031653132842 firstname.lastname@example.org