Question 1

Is “Torsion Pendulum” in the public domain?

Accepted Answer

Yes. “Torsion Pendulum” 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 “Torsion Pendulum”?

Accepted Answer

L. E. Knott Apparatus Company.

Question 3

Where is “Torsion Pendulum” from?

Accepted Answer

It is catalogued from the open collection of Smithsonian Open Access and is free to reuse under CC0.

Question 4

Can I use “Torsion Pendulum” 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	Torsion Pendulum
Artist	L. E. Knott Apparatus Company
Medium	overall: 7 in x 5 3/8 in x 4 1/2 in; 17.78 cm x 13.6525 cm x 11.43 cm
Classification	torsion pendulum
Origin	United States: Massachusetts, Boston United States: Massachusetts
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

Torsion Pendulum

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