Alexander Hamilton Papers

George Washington to Brigadier General Louis Le Bèque Du Portail and Lieutenant Colonel Alexander Hamilton, 18 October 1779

George Washington to
Brigadier General Louis Le Bèque Du Portail and Lieutenant Colonel Alexander Hamilton1

Head Quarters, West-point
18th Octbr. 1779.


I have been favored with Colonel Hamilton’s2 letter, mentioning your arrival early on the 11th at Philadelphia; and your being about to set off for Lewis town the morning on which it was written.

I have attentively considered the object to which you more particularly refer, and am now to authorize you, (provided the Count will not determine on a co-operation to the full extent of my instructions) to ingage the whole force described in my letter to him, comprehending the Continental troops and militia, in such an enterprise against the enemy’s shipping, as the Count and you may agree to undertake. In a word, I will aid him, in every plan of operations against the enemy at New-York, or Rhode Island, in the most effectual manner that our strength and resources will admit. He has nothing more to do, therefore, than to propose his own plan, if time will not admit him to accede to ours; weighing thoroughly the consequences of expence and disappointment.

Inclosed is some intelligence received from Elizabethtown since your departure.3 You will observe the preparations of the enemy for throwing every possible obstruction in the Counts passage.

A chain of alarm ships are stationed in the Sound, to communicate the first approach of the Counts fleet to the garrison at Rhode Island. This they can propagate in a few minutes by signal guns. In a letter from General Gates of the 13th instant he advises me of the arrival of the fleet which some time ago sailed from New-york. It amounts to 56 sail, and appeared to be only in a set of ballast. This was confirmed by one of the vessels which fell into our hands for a few hours. The opinion is, that it is designed to take off the garrison.

General Gates makes the marine force at New-port one fifty, and a thirty two gun frigate. The refugee and wood fleet, about 37 sail mostly armed, at the head of which is the restoration, late the Oliver Cromwell of 22 guns. One frigate is also taken notice of in the fleet from New-york.

Should the operations against New-York, in either case be undertaken, it will be of the utmost consequence to block up the garrison at Rhode Island. You will consider the propriety of suggesting to the Count the detatching of a superior sea force for this purpose, previous to his approaching the Hook. For should the measure be deferred till his arrival there, it may not then be possible to prevent their junction with the army at New-York as the notice can be so very suddenly transmitted by means of the signals which they have established.

Every proper attention has been given to preparing the necessary number of fascines, and such other materials as may be requisite in this quarter. Fascines, gabions &c are also held in readiness at Providence in case of an operation against New-Port. I had thought of the fire ships, and have taken order in the matter. I do not however chose to go to the great expence they must run us into, till something is decided with his Excellency Count D’Estaing; but every thing relative shall be provided, so as to occasion no delay when such matters become necessary.

I am Gentn.   Your most obt. Servt.


Brigadr: Genl. du Portail & Lt. Col. Hamilton

Copy, in the writing of James McHenry, Hamilton Papers, Library of Congress.

1The receiver’s copy of this letter is missing. In the Hamilton Papers in the Library of Congress there is an unsigned copy in the writing of James McHenry. This copy is marked “duplicate,” and was enclosed in Washington to H and Du Portail, November 1, 1779. Since there is a copy of the letter in the Sir Henry Clinton Papers in the William L. Clements Library of the University of Michigan, it is probably correct to assume that the receiver’s copy was intercepted by the British. A draft in McHenry’s writing is found in the George Washington Papers, Library of Congress.

The receiver’s copy of this letter was enclosed in a letter (dated October 18, 1779) from Washington to Deputy Quartermaster General John Mitchell at Philadelphia in which Washington wrote: “It is of the utmost consequence that the enclosed should reach Genl. Duportail and Colo. Hamilton as expeditiously as possible. Should they not have returned from the Capes of Delaware when it arrives at Philada. you will be pleased to forward it to them by a person in whose care and despatch you can fully depend” (Df, in writing of Tench Tilghman, George Washington Papers, Library of Congress).

For the background to this letter see H to Nathanael Greene, October 7, 1779, note 1.

2Letter not found.

3This enclosure, entitled “Substance of intelligence from the Enemy,” is a five page memorandum with dates in the margin running from September 11 through October 2, 1779. Two copies of this MS are in the Hamilton Papers, Library of Congress. One is in writing of Richard Kidder Meade and the other is in writing of James McHenry. The memorandum gives details on the movements of the enemy in and around New York and the various embarkations of enemy troops.

Probably also enclosed at this time was a manuscript, dated October 7, 1779, containing information supplied by Joseph Young, a prisoner who had been exchanged on September 30, 1779. This manuscript, in writing of Tench Tilghman, is in the Hamilton Papers, Library of Congress.

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