Question 1

Is “Longcase equation regulator” in the public domain?

Accepted Answer

Yes. “Longcase equation regulator” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Question 2

Who created “Longcase equation regulator”?

Accepted Answer

Ferdinand Berthoud (ca. 1752).

Question 3

Where is “Longcase equation regulator” from?

Accepted Answer

It is catalogued from the open collection of The Metropolitan Museum of Art and is free to reuse under CC0.

Question 4

Can I use “Longcase equation regulator” commercially for free?

Accepted Answer

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

Title	Longcase equation regulator
Artist	Ferdinand Berthoud
Date	ca. 1752 18th century
Medium	Oak veneered with satinwood and kingwood; gilt-bronze mounts, glass, enamel, steel, and brass
Classification	Horology
Holding institution	The Metropolitan Museum of Art
Credit line	Purchase, Acquisitions Fund, and Annette de la Renta, Mercedes T. Bass, Beatrice Stern, Susan Weber, William Lie Zeckendorf, Alexis Gregory, and John and Susan Gutfreund Gifts, in honor of Mrs. Charles Wrightsman, 2015
Rights	Public domain (CC0)

Longcase equation regulator

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