Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Pica,35 ems to a foot. Tlie name is derived from the Pie, or table usedbefore the Deformation for finding out the service forthe day. Pica is the standard of measurement incasting leads, cutting rule, and regulating the priceof work. Pica is also the unit of sizes for type above. PICKER. 1697 PICKET. deaiicr. A machine for opening the tussocks of ends of the ler
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Pica,35 ems to a foot. Tlie name is derived from the Pie, or table usedbefore the Deformation for finding out the service forthe day. Pica is the standard of measurement incasting leads, cutting rule, and regulating the priceof work. Pica is also the unit of sizes for type above. PICKER. 1697 PICKET. deaiicr. A machine for opening the tussocks of ends of the lerers F Fm alternation, causing them to puUbale-cotton, rediiciug it to a more neecy comhtion,and separating from it dirt, burs, and other refuse. Tn the machine. Fig. 3694, the cotton is fed in between roll-ers , caught by the teeth on the revolving drum, and drawn downagainst the teeth of the , which act in successionupon the material, and each is cleaned by the withdrawal of itsteeth through openings in a segmental apron partially sur-rounding the obUque-toothed picking-cylinder. In Fig. 3*j9o, the cotton or wool is fed into the machine bythe endless apron a between rollers 6, and is seized by the teethof the picker d, which revolves in a slatted cylinder whose in- Fig 3695. the straps G G, which actuate the picker-blocks 3696.
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
