The life and letters of Lord Macaulay. Vol. 1.
http://www.gutenberg.org/files/2647/2647-h/2647-h.htm.
Letter to Hannah More ; Jan. 29, 1833.
The earlier Sections placed the whole property of the Company in trust for the Crown, and enacted that "from and after the 22nd day of April 1834 the exclusive right of trading with the dominions of the Emperor of China, and of trading in tea, shall cease."
Letter to Hannah More ; June 17, 1833.
So rapid had been the march of events under that strange imperial system established in the East by the enterprise and valour of three generations of our countrymen, that each of the periodical revisions of that system was, in effect, a revolution. The legislation of 1813 destroyed the monopoly of the Indian trade. In 1833 the time had arrived when it was impossible any longer to maintain the monopoly of the China trade; and the extinction of this remaining commercial privilege could not fail to bring upon the Company commercial ruin…
[Hannah More : 1845-1833 : englische religieuse Autorin, Philanthropin].