11To James Madison from Tench Coxe, 31 December 1812 (Madison Papers)
...Gansevort & Lagrange of Albany & Aaron R. Levering, Esquire, of Baltimore all late agents for...
12Rodolph Schaer to Thomas Jefferson, 25 March 1819 (Jefferson Papers)
The lever
13To George Washington from Herman Zedwitz, 12 November 1777 (Washington Papers)
Copy, enclosed in Robert Levers to Timothy Matlack, 15 Nov., ..., but Robert Levers, the...
14[November 1783] (Adams Papers)
...W. Vaughan, to see the Holophusicon, or Sir Ashton Lever’s ...From Sir Ashton Lever’s we went...
15To Thomas Jefferson from Thomas Bruff, 21 March 1808 (Jefferson Papers)
...enable me to execute it to my mind. The lever of the smallest I have seen, measures 40...
16Enclosure: Godefroi Du Jareau’s Drawing and Description of his Water-Raising Machine, [ca. 23 July 1810] (Jefferson Papers)
1. Big lever lifting a ton of 2,400 pounds with an active......lever lifting 1,200 pounds with...
17Provincial Commissioners: Orders for Payment, 4 June 1764–20 October 1764 (Franklin Papers)
Robert LeversRobert Levers
18[April 1754] (Adams Papers)
...Cheifly in use in Common life, such as, the lever, pulley, Ballance axis in peritrocheo,
19From George Washington to Colonel Oliver Spencer, 7 May 1779 (Washington Papers)
...thro’ the Wind gap in Pequille mountain—passes Levers’s house and Fort Penn to where one...Levers
20From Benjamin Franklin to Augustus Gottlieb Spangenberg, 1 March 1756 (Franklin Papers)
...about the abuse of their charity. See Joseph M. Levering, ...to feed and clothe them. Levering...