1From Benjamin Franklin to Giambatista Beccaria, 13 July 1762 (Franklin Papers)
MS not found; reprinted from Benjamin Franklin, Experiments and Observations on Electricity ,...
2[Diary entry: 13 July 1762] (Washington Papers)
13. Mares brot. from Mr. Digges’s. GW brought back his English bay and black mares which had been...