File:Pascal1423.jpg
Summary
Blaise Pascal from Practical Physics, publ. 1914 by Macmillan and Company
Licensing
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1931, and if not then due to lack of notice or renewal. See this page for further explanation.
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