Happy Birthday to Thomas Jefferson!
"I had adapted a #hemp break to my sawmill, which did good work. I have since fixed one to my threshing machine in Bedford, which breaks and beats about 80. lb a day with a single horse. The horizontal horse wheel of the threshing machine drives a wallower and shaft, at the outer end of which shaft is a crank which lifts a common hemp-break the head...
View details ⇨