. Memoirs of the American Academy of Arts and Sciences. can pass through it. There is, moreover, in the gatherer .a false bottom, hung by a joint at the endnearest the drawing-roUers and capable of being swung upwards like a trap-door. This false bottom hasslits across it, corresponding with those through the top. In Fig. 4, a is a fast pulley on the shaft b, to-which the power to drive the machine is applied, by means of a belt; a> is a loose pulley on the sameshaft, b, on which the driving-belt runs when the machine is at rest. On the end of the shaft h is thepinion c, which drive
. Memoirs of the American Academy of Arts and Sciences. can pass through it. There is, moreover, in the gatherer .a false bottom, hung by a joint at the endnearest the drawing-roUers and capable of being swung upwards like a trap-door. This false bottom hasslits across it, corresponding with those through the top. In Fig. 4, a is a fast pulley on the shaft b, to-which the power to drive the machine is applied, by means of a belt; a> is a loose pulley on the sameshaft, b, on which the driving-belt runs when the machine is at rest. On the end of the shaft h is thepinion c, which drives the wheel dd, fixed on the shaft u, which is coupled to the lower drawmg-rollcr, s. MEMOIR OF DANIEL TREADWELL. 499 Let US now suppose a roving of hemp to be passed into the tunnel l, and the pullc}- b to beturned in the direction of the arrow; the bobbins lying Ijetween the rows of hatchel-teeth must be carriedalong with the hatchel-belt; and as some of the bobbins, by their connection, in forming the bobbin-belt,constantly pass out of the hatchcl-belt on
Size: 1099px × 2273px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookidmemoirsofamerica1888amer, booksubjectscience, bookyear1783
