1Thomas Jefferson to Oliver Barrett, 20 February 1812 (Jefferson Papers)
Being desirous of getting a Spinning machine simpler than any of those made on the Arkwright...
2Thomas Jefferson to Ebenezer Herrick, 20 February 1812 (Jefferson Papers)
I subjoin the copy of an advertisement taken from a newspaper, which induces me to write this...
3Thomas Jefferson to Henry Dearborn, 20 February 1812 (Jefferson Papers)
The inclosed letter will explain to you it’s object, which I have thought would go safest to...