From Sir John Sinclair
Whitehall, London, 25th. Decemr. 1790.
Sir John Sinclair’s best Compliments to Mr. Jefferson, had the pleasure of receiving his report, upon the subject of establishing an uniformity in the Weights, Measures, and Coins of the United States; the principles of which evidently proves, Mr. Jeffersons thorough acquaintance with that important branch of Police. He embraces the earliest opportunity of sending Mr. Jefferson a very interesting Letter upon the subject, by a very respectable Mathematician, who has been among the first to prove, that the Linear Measure of England, the Averdupois Weight, and the Winchester measure of Capacity, are very intimately connected together and may be ascertained from the same standard.
Dr. Rotheram, in the Postscript, has very properly remarked, that the English and Americans, as brethren, should use the same Weights and Measures. Sir John Sinclair finds with infinite regret an idea very prevalent in England, that if the late rupture with Spain, had ended in War, the Americans were rather inclined to consider the Spaniards as their Brethren, than the English. It would give him much satisfaction, had he it in his power to contradict, with some degree of Authority, what he hopes is an ill-founded, and injurious aspersion: for surely the interests of America and of England, are, or ought to be, the same, and he wishes that societies were established on both sides of the Water, for the purpose of promoting so desirable a connexion.
He is at present endeavouring to establish a Society, for the purpose of improving British Wool, and he has the honor of sending Mr. Jefferson, a Copy of the printed Papers upon the subject; together with a Specimen of the Wool of the Shetland Islands, which is reckoned the finest produced in any part of the British Dominions. He also begs to inclose a Circular Letter to the Clergy of Scotland, and his Statistical queries, which are likely to furnish materials for a very curious account of that part of Great Britain.
He begs to be particularly remembered to Mr. Adams, Mr. Morris, and Mr. Laurens, and should be happy at any time, to have the pleasure of hearing from Mr. Jefferson or them.
He sends two Copies, of the Papers abovementioned, lest by any mistake or misfortune, one of the Copies should not find its way to New York.
RC (DLC); endorsed by TJ as received 4 Apr. 1791 and so recorded in SJL. Enclosures: (1) John Rotheram, Observations on the proposed plan for an universal standard of weights and measures; in a letter to Sir John Sinclair, bart. [Edinburgh, 1790?]; see Sowerby, description begins E. Millicent Sowerby, comp., Catalogue of the Library of Thomas Jefferson, Washington, D.C., 1952–59, 5 vols. description ends No. 3757. (2) Report of the Committee of the Highland Society of Scotland, to whom the subject of Shetland wool was referred. With an appendix containing some papers, drawn up by Sir J. Sinclair and Dr. Anderson in reference to the said report [Edinburgh, 1790]. (3) Address to the public, respecting the proper system to be pursued for the improvement of British wool [Edinburgh, 1790?]. (4) Printed copies of Sinclair’s circular and queries addressed to the more than nine hundred members of the Kirk of Scotland asking them to report information on commerce, population, history, soil, climate, minerals, natural productions, manufactures, mills, language, schools, inns, artisans, eminent men, charity, manners, and many other subjects, all of which came to public attention in the work for which Sinclair is chiefly remembered—The statistical account of Scotland (Edinburgh, 1791–9; Sowerby, description begins E. Millicent Sowerby, comp., Catalogue of the Library of Thomas Jefferson, Washington, D.C., 1952–59, 5 vols. description ends No. 3591). In TJ’s papers there are two specimens of wool preserved—one “sent … by Mr. Hackley” and another “Specimen of Mr. [James] Bowdoin’s Wool, from American Sheep raised on his Island of ‘Naushan’” (DLC: TJ Papers, 235: 42262–3)—but evidently that sent by Sinclair was not.
The British Wool Society, founded in Jan. 1791 with Sinclair as chairman, was an unsuccessful product of the founder’s boundless energy and enthusiasm. One of those who emphatically disagreed with Sinclair about the quality of wool produced by the Shetland breed—a term covering “anything sheep-like found in those islands”—was Sir Joseph Banks, who both suspected Sinclair’s devotion to science and denigrated the hairy Shetland breed as “your aborigines” and “those Scotts Goats” (Rosalind Mitchison, Agricultural Sir John [London, 1962], p. 101–19, 121–36).