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60 which at that time began to be felt beyond the boundaries of his own country. This address was printed by the London committee of the Society, as a full and effective exposition of its principles and objects. It was circulated by thousands, and read by persons of all denominations throughout the kingdom. This was followed by other productions, generally sermons and addresses delivered on special occasions, then prepared and sometimes amplified into a considerable volume for the press. "The Sunday School Teachers' Guide" was a book thus expanded from a single address; and in a few years it passed through twenty editions. His power as a public speaker and writer came to be well known throughout the country, and large audiences assembled to listen to him wherever he appeared. The greatest oratorical effort he ever made was perhaps his address in behalf of the London Missionary Society, in Surrey Chapel, in May, 1819. It lasted two hours, and was delivered without reference to a single written note, and without a moment's hesitation. He was then at the meridian of his manhood and of his reputation as a speaker. "At the close of the first hour," says his biographer, "the preacher requested permission to pause for a few minutes, and the people sang a hymn. Such was the excitement of the congregation, that during this temporary interruption of the discourse, oranges