6 letters (copies) to John BrowningBaker, Henry, 1698-17741746-[1758]eng1746 Dec - [1758] Jul London 18 p.; 32 x 21 cm. Letters discuss: the Royal Society of London; experiments with electricity carried out by Sir William Watson (1715-1787); theories of John Hill (1716?-1778); the classifications of Linneus (Carl von Linne, 1707-1778); Peter Camper (1722-1789); William Stukeley (1687-1765); the death of John Montagu (2nd duke of Montagu, 1690-1749); Richard Wilkes (1691-1760); Robert Clayton (Bp. of Clogher, 1695-1758). 109/I/61,87 and 109/II/116,117,164,165