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 . lip is kneadedancl from which it comes in the form of ^e are stored in cellars to ripen. See Pig-mill. Pugging. 1. {Building.) a. Lining the .spaces PUG-MILL. 1818 PULLEY. between floor-joists with coarse mortar to preventtlie passage of sound. b. Stutf laid on partition-walls to deaden sound ;felt, saw-dust, taii-bark. Deadening. 2. Ciaijimj; tamping
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 . lip is kneadedancl from which it comes in the form of ^e are stored in cellars to ripen. See Pig-mill. Pugging. 1. {Building.) a. Lining the .spaces PUG-MILL. 1818 PULLEY. between floor-joists with coarse mortar to preventtlie passage of sound. b. Stutf laid on partition-walls to deaden sound ;felt, saw-dust, taii-bark. Deadening. 2. Ciaijimj; tamping with clay ; stopping withpuddle. 3. Grinding of clay, with a sufficiency of waterto render it plastic. Tempering. Pug-mill. A niiU by which clay is worked, toblend its materials and render it plastic, for bricksor pottery. It has an upright cylinder armed with intrudingblades, and an upright revolving axis armed withradial blades which \vork in the intervals of tlieformer. Having a spiral arrangement or obliqueposition, the tendency of the blades is to force theclay constantly downward to the exit. Fig. 3997 shows a mill in whicli the clay is cut into piecesby the knives, and then ground and tempered, being eventually Fig. 399. Pus;-Mill. pressed out at the lower end by the spiral blade which dischargesit into the brick molds beneath. Pug-tub. (Mc/a/lunj!/.) A cistern in whiidiargentiferous slimes are stirred up with water inorder to remove some of the mud whichbecomes suspended in the water. Pulas. A twine nvade by the Malaysfrom a species of nettle. Pull. 1. The lever of a beer-engineor i-ounter-pump. It is vertical whenat vest, and is pulled down to actuate thepiston in the pump-cylinder. a shows a quadrant-pull ; being iralled to theright, the arc-shaped piecetravels in its guide, lift-ing the puni|i-rod andejecting the beer at thefaucet. 5 is a s}>here-pull, theball rolling in its socketas the lever is drawn overto the right. 2. The knob and stemof a door-liell or door
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
