Longcase astronomical regulator

Title	Longcase astronomical regulator
Artist	Ferdinand Berthoud
Date	ca. 1768–70
Medium	Case: oak veneered with ebony and brass, with gilt-bronze mounts; Dial: white enamel; Movement: gilded brass and steel
Classification	Horology

Themes: Botanical illustration Celestial charts & astronomy Historical scientific diagrams

About this plate

“Longcase astronomical regulator” is a work by Ferdinand Berthoud, dated ca. 1768–70. It is executed in case: oak veneered with ebony and brass, with gilt-bronze mounts; dial: white enamel; movement: gilded brass and steel and classified as horology. In this archive it sits within the botanical illustration, celestial charts & astronomy, historical scientific diagrams tradition. This work is in the public domain (CC0), so the image may be downloaded and reused for any purpose without permission (see the licence note below).

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Rights: Public domain (CC0).

This work is in the public domain. You may download the image and use it for any purpose — personal or commercial — without permission or payment. No attribution is legally required.

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US vs EU note: in the United States a faithful photographic reproduction of a public-domain 2-D artwork carries no new copyright (Bridgeman v. Corel), which is the basis of these open-access programmes. EU Directive 2019/790 Art. 14 similarly provides that reproductions of public-domain visual works are not protected. If reusing commercially in another jurisdiction, satisfy yourself of the local position. See the full licence note.

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The wider subject

Botanical illustration ThemeThe history of botanical illustration, illustrated
Celestial charts & astronomy ThemeThe history of celestial charts & astronomy, illustrated
Historical scientific diagrams ThemeThe history of historical scientific diagrams, illustrated

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