1From Benjamin Franklin to William Heberden, 7 June 1759 (Franklin Papers)
ALS : Harvard College Library Tourmaline crystals, brought to Europe from the East by the Dutch early in the eighteenth century, began to attract the attention of electrical scientists when they found that, if heated, they had the power of attracting and repelling ashes and other light substances. The German scientist Aepinus began to study this pyroelectrical property and wrote a paper in...
2To Benjamin Franklin from William Heberden, [before 20 March 1761] (Franklin Papers)
AL : Historical Society of Pennsylvania Dr. Heberden sends his compliments to Dr. Franklin and desires the favor of his company at dinner on friday the 20th of March at half an hour past three. On Dr. Heberden, see above, VIII , 281 n. March 20 fell on a Friday in both 1761 and 1767. According to editorial practice, this document is placed at the earlier of the two dates.
3To Benjamin Franklin from William Heberden, 17 January 1761 (Franklin Papers)
AL : Historical Society of Pennsylvania Dr. Heberden sends his Compliments to Dr. and Mr. Franklin and hopes they are well, and that it was no accident of a bad nature, which hinder’d him from having the pleasure of their company at dinner yesterday. Addressed: To / Dr. Franklin Endorsed: Given me by Mr. Sparks in Oct [?] 37. R. G. For Dr. William Heberden, physician, see above, VIII , 281 n....
4To Benjamin Franklin from William Heberden, [4–9 December 1765] (Franklin Papers)
AL : Historical Society of Pennsylvania Dr. Heberden sends his compliments to Dr. Franklin, and desires the favor of his company at dinner on wednesday next (Decr. 11th.) at half an hour past three. Addressed: To / Dr. Franklin / craven Street On William Heberden, physician and author of a treatise on inoculation for which BF wrote the preface, see above, VIII , 281 n. During the years in...
5To Benjamin Franklin from William Heberden, 1 January 1767 (Franklin Papers)
AL : American Philosophical Society Dr. Heberden sends his compliments to Dr. Franklin, and desires the favor of his company at dinner on tuesday next (Jan. 6th.) at half an hour past three. Addressed: To / Mr. Franklin / Craven Street For William Heberden, one of 18th century England’s most eminent physicians, to whose pamphlet on inoculation for smallpox BF had written a preface during his...
6To Benjamin Franklin from William Heberden, 22 April 1767 (Franklin Papers)
AL : American Philosophical Society Dr. Heberden sends his compliments to Mr. Franklin, and desires the favor of his company at dinner on wednesday next (April 22d.) at half an hour past three. Addressed: To / Dr. Franklin / Craven Street During BF ’s second mission to England April 22 fell on a Wednesday in 1767 and 1772. In accordance with editorial policy Dr. Heberden’s invitation is...
7To Benjamin Franklin from William Heberden, before 10 June [1774?]: résumé (Franklin Papers)
Printed form with MS insertions: University of Pennsylvania Library <Before June 10, [1774? ]: Presents his compliments and invites Franklin to dine on Friday, June 10, at four o’clock.> For the eminent physician, BF ’s acquaintance of long standing, see above, VIII , 281 n. During BF ’s second British mission June 10 fell on a Friday in 1768 and 1774, and during his first mission not at all....