1To Thomas Jefferson from William Dabney, 3 December 1824 (Jefferson Papers)
Inclosed I send, and ask your acceptance of, one right to use my New Patent Pump for raising water Or other Liquids by weight, which I have obtained from the Government of the United States under date of the 20th. Nov. 1824. It is made of iron and of course will be durable, usefull and of great convenience. It will be so arranged and fixed, as to draw water from a well, in a tube of an half...
2William Dabney: Certificate of permission to use invention, 3 Dec. 1824, 3 December 1824 (Jefferson Papers)
The Honble. Thomas Jefferson of Albemarle in this State, is hereby authorized to use one right, for himself or his heirs, of my New Patent Pump for raising water or other liquids by Weight, for 14 years from the 20th Nov. 1824 free of any charge for the Patent fee. Given from under my hand and seal of the above Date. MHi .
3To John Adams from William Dabney, 15 January 1825 (Adams Papers)
My respect for you, (altho’ personally unknown) induces me to offer you herein enclosed, and to ask your acceptance of, one right to use for yourself & heirs a right for my Patent Pump for raising water by gravity or Weight, a Patent for which, I have obtained from the United States in November last. This Machine is of cast & wrought iron, and not bulky—is simple in its construction and...
4To James Madison from William Dabney, 15 January 1825 (Madison Papers)
My respect for you, (although personally unknown) induces me to offer you herein enclosed, and to ask your acceptance of, one right for yourself and heirs, to use my Patent Pump for drawing water from Wells and other places the propelling power being gravity or weight, for which I have obtained a Patent from the United States in November last. The Machine is entirely of Cast & wrought iron, of...