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Physics. Periodicals.
American Philosophical Society, Philadelphia. **E145.2 Transactions. Vol. 1-6. 1769-1809. New series. Vol. 1-20. 1818- 78, 82-1902.
Philadelphia. 1786-1902. 26 v. Plates. Maps. Diagrams. 4°. Vol. 1 is of the 2d edition, published in 1789, Vol. 6 is also a 2d edition, having the imprint 1809 instead of 1804, and additional pages xxi-xliv, con- taining a list of officers for 1809, and a list of donations.
Same. Vol. 1-6. 1769-1809. New series. Vol. 1-3. 1818-30. Philadelphia. 1771-1830. 9 v. *3370.4 In this set, vols. 1 and 6 are of the original editions, published respectively in 1771 and 1804.
Same. Vol. 2. 1786. ** Adams 103.6 Two copies. Fer further additions, sag Am. Thilesog Hy, Phila. Transact
3 9527 — Physics. Period. — Science™m=s-od. — Societies. Proceedings, transac- F vinok, etc. Feb. 19, 1909
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