1To Alexander Hamilton from George Fleming, 10 October 1799 (Hamilton Papers)
I inclose you a list of the Lieutenants now in service belonging to the first regiment of Artillerists & Engineers, that have been at this garrison. Of the list, No. 1, appeared to me to be a suitable person for a quarter master. Lieut. Rodrigue acted as quarter master, pro tem, part of the time the late Coll. Rochefontaine was here, & I understood to the said Colonel’s satisfaction. The...
2George Fleming to Thomas Jefferson, 30 October 1815 (Jefferson Papers)
The papers I have taken the liberty of sending to you contain the description of a new theory on the application of Steam, I sent a copy to Doc r Thornton (patent office) some weeks past, who has done me the honor to notice my communication in a manner that gives me much encouragement, I wished for some months past to send them to you, & only hesitated because I never had the happyness of your...
3Enclosure: George Fleming’s Drawing of a Steam Engine, [ca. 30 October 1815] (Jefferson Papers)
Draught of an Hydraulic engine to work from Steam & Atmospheric Pressure.— A . the Boiler. B the Steam Cylinder. C the Receiver. D the Giver E the Main Pipe. F the Condenser this consists of one pipe a.a inclosing the main pipe leaving an interval between them to receive the Steam for condensation & a pump b in the bottom to exhaust the air & water produced from the condensed steam, next it...
4Enclosure: George Fleming’s Description of a Steam Engine, [ca. 30 October 1815] (Jefferson Papers)
Mod. operandi. pour in the top of y e mainpipe water enough to cover the valves, from the position of cock 4 the steam now passes directly into the lower chamber of y e steam cylinder, & from y e position of cock 5. the steam previously collected over pistons is at y e same time passing to y e condenser, under these circumstances the pistons 1 & 2 & the bar 3.8. connecting them must rise, when...
5George Fleming to Thomas Jefferson, 10 February 1816 (Jefferson Papers)
On the subject of your hempbreak a thought occurr’d to me since I received your letter which I submit to your judgement. On the axis of the wallower instead of arms 15 in long, suppose a cast iron wheel 15 in diam r with cogs only half way round & on the face of the head block instead of a horn, a curved piece of cast iron 30 in long & 4 broad, with cogs corresponding in number & c with those...