it, are well known. Under the marquis of Rockingham's adminiſtration, it appeared expedient to endeavour to calm the minds of the coloniſts; and the repeal of the odious tax was contemplated. Amongſt other means of collecting information on the diſpoſition of the people to ſubmit to it, Dr. Franklin was called to the bar of the houſe of commons. The examination which he here underwent was publiſhed, and contains a ſtriking proof of the extent and accuracy of his information, and the facility with which he communicated his ſentiments. He repreſented facts in ſo ſtrong a point of view, that the inexpediency of the act muſt have appeared clear to every unprejudiced mind. The act, after ſome oppoſition, was repealed, about a year after it was enacted, and before it had ever been carried into execution.
In the year 1766, he made a viſit to Holland and Germany, and received the greateſt marks of attention from men of ſcience. In his paſſage through Holland, he learned from the watermen the effect which a diminution of the quantity of water in canals has, in impeding the progreſs of boats. Upon his return to England, he was led to make a number of experiments; all of which tended to confirm the obſervation. Theſe, with an explanation of the phenomenon, he communicated in a letter to his friend, Sir John Pringle, which is contained in the volume of his philoſophical pieces.
In the following year he travelled into where he met with a no leſs favourable reception than he had experienced in Germany. He was introduced to a number of literary characters, and to the king, Louis XV.
Several letters, written by Hutchinſon, Oliver, and others, to perſons in eminent ſtations in Great-Britain, came into the hands of Dr. Frank-
