Letter from James Buchanan to Peter Du Ponceau

Representative James Buchanan writes to Peter Stephen Du Ponceau of Philadelphia about Du Ponceau's earlier letter, which Buchanan had delivered to Ambrose Spencer, the chairman of the Committee on Agriculture. Buchanan explains that "[Spencer] justly appreciates the services which you have rendered to the country, by the information you have obtained & communicated to the public, in relation to the preparation of raw silk." Buchanan also had delivered a copy of Du Ponceau's "Essays on American Silk." Transcript included.