File:String Figures and How to Make Them.djvu

The original publication was made in 1906 in the US and is therefore in the public domain. The 1962 edition should not have gained new copyright. Even if it did, it was published before 1978 without a copyright notice and is therefore in the public domain by now.

The author died in 1940, so this work is in the in its country of origin and other countries and areas where the is the author's life plus 75 years or less.

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