In 1805, he received the gold medal of the Society for the Promotion of Arts for a series of highly interesting and valuable communications on the subject of the productions of the East and a second gold medal in 1803 for a communication on the growth of trees in India. On 31 May 1814, he was presented, in the presence of a large assembly, a third gold medal by the Duke of Norfolk (then, the president of the Society of Arts).