- Title
- The discourse made before the Royal Society the 26. of November, 1674, concerning the use of duplicate proportion in sundry important particulars together with a new hypothesis of springing or elastique motions / by Sir William Petty, Kt. ...
- Author
- Petty, William, Sir, 1623-1687.
- Publication info
- London : Printed for John Martyn ...,
- 1674.