Elementary treatise on the finishing of white, dyed, and printed cotton goods . normal ordinary conditions, the pressureexerted is about 35 to 40 kilos per lineal centi-metre (200 pounds per lineal inch). The properspeed is form 10 to 15 metres per minute. Fig. 85, p. 231, represents a 8 bow] calenderwith the metal bowl in the middle. Pressure isgiven from above at first by levers, then by screwsindependent of each other. This apparatus is drivenby straps. Fig. 86, p. 232, represents Farmers moirelustre calender. This calender is an ordinary 3 bowlcalender with top and bottom cotton
Elementary treatise on the finishing of white, dyed, and printed cotton goods . normal ordinary conditions, the pressureexerted is about 35 to 40 kilos per lineal centi-metre (200 pounds per lineal inch). The properspeed is form 10 to 15 metres per minute. Fig. 85, p. 231, represents a 8 bow] calenderwith the metal bowl in the middle. Pressure isgiven from above at first by levers, then by screwsindependent of each other. This apparatus is drivenby straps. Fig. 86, p. 232, represents Farmers moirelustre calender. This calender is an ordinary 3 bowlcalender with top and bottom cotton bowls andone middle steel bowl heated by steam andarranged to run with friction on the bottom special vibrating or wave roller (not shewn inillustration) is adopted when the moire lustre finishis to be produced, and tor the same purpose themiddle plain steel bowl is replaced by a steelroller engraved with fine circular grooves, whichrun with friction on the cloth. The waving motionis given by hand or actuated by a mechanism,so that the pattern may be altered at J 232 FINISHING IN GENERAL. Fig. 87, p. 232 B, represents a similar typedriven direct by a steam engine. In this systemthe metal bowl is in the centre.
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Keywords: ., bookcentury1800, bookdecade1880, bookidelementarytr, bookyear1889
