1David Bailie Warden to Thomas Jefferson, 17 April 1809 (Jefferson Papers)
I had the honor of writing to you, by M r Purviance , the bearer of dispatches. I now beg leave to inclose, for your perusal, an analysis of tobacco, which you will please to present to the Philosophical Society of Philadelphia . As it is curious and interesting, it may be deemed worthy of a place in the next volume of their memoirs. The essence of tobacco, prepared in America , if allowed to...
2Enclosure: Nicolas Louis Vauquelin’s Analysis of Green Tobacco, 12 January 1809 (Jefferson Papers)
Analysis of the Nicotiana latifolia. By M. Vauquelin . translated by D. B. Warden . Though we cannot doubt that the different methods in the preparation of tobacco modify the principles contained in this plant, it is nevertheless certain that the changes which these principles undergo do not entirely destroy their particular properties; for if this were not so, it is evident that we could also...
3Enclosure: Nicolas Louis Vauquelin’s Analysis of Prepared Tobacco, [12 January-17 April 1809] (Jefferson Papers)
Analysis of Snuff of the Hôtel Longueville —By Mr Vauquelin . In occupying myself in this research, my object was to know whether the principles discovered in the green Nicotiana also exist in the prepared tobacco; and if not, to find out what kind of change it undergoes. I also hoped to discover the substances employed in the preparation of snuff. 240 grammes of tobacco in powder washed five...