Brass sundial by Michel Cadot dated 1742

Brass sundial by Michel Cadot dated 1742

$1250

A large and fine Butterfield type sundial by Michel Cadot dated 1742

Dimensions

9cm x 8cm

Circa

1742

Country of manufacture

France

Categories: Maritime, Scientific

Description

Offered for sale – a large sundial beautifully engraved in brass and signed Cadot AParis 1742. The back records the latitudes of many cities in France as well as Rome, Madrid, Dunkirk, Warsaw, and Danzig. Original wood and leather case is lined in red velvet with a silver clasp and brass hinge. An unusually large piece, see photo with two more typically sized sundials for comparison.

Michel Cadot (worked 1718 – 1753) apprenticed to instrument maker Jean-Baptiste-Nicolas Delure in the Corporation des fondeurs in 1718. He became Master in the Corporation in 1720 and worked with his father-in-law, instrument maker Henry Macquart until around 1735, jointly signing instruments  “Macquart et Cadot Son gendre AParis” (Macquart and his son-in law Cadot in Paris). Cadot worked at the Quay de l’Horloge in Paris under the sign “à l’Astrolabe” until the late 1740s, when he moved to Lyon. He made many Butterfield type sundials as well as sectors, theodolites and rules. Unusual for the time, he typically signed his instruments with a date. Similar dated works by Cadot may be seen in the Oxford Museum of the History of Science:

http://www.mhs.ox.ac.uk/collections/imu-search-page/record-details/?TitInventoryNo=47963&querytype=field&thumbnails=on

https://www.mhs.ox.ac.uk/collections/imu-search-page/record-details/?thumbnails=on&irn=2134&TitInventoryNo=36541

Condition: Sundial in excellent condition with original patina, a few minor stains including a spot on the back of the dial that should be easy to remedy, see photos. Case is in fine condition, latch closes firmly but with slight warpage and some wear to the edges.

References: Webster Signature Database; Frank Marcelin; Daumas 263; and MHS web citations.

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US Instrumentum

Instrumentum is based in the United States and specializes in high quality 17th and 18th century scientific instruments for architecture, mathematics and navigation. We have collected antique European instruments for over 20 years with a focus on early French, English and German architectural drafting sets, dividers, and rules. Please check regularly as new additions are made and prices may change. If you are interested in something particular please do not hesitate to contact us at instrumentuminfo@gmail.com.

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