176 



WOOL 



SPINNING. The spinning machine consists of two parts, one 

 movable and one immovable. The latter holds the bobbins 

 containing the loose sliver from the condensing machine. 

 The bobbins revolve, and from them the sliver passes between 

 rollers. 



The movable part of the machine contains revolving spindles. 

 The sliver from the rollers is attached to the spindles and the 



AN AUSTRALIAN MERINO SHEEP 



carriage containing them recedes a certain distance, and then 

 the bobbins containing the sliver cease to revolve and no 

 more sliver is given out. But the carriage still recedes and so 

 the sliver is extenuated. At last the carriage, too, stops, but 

 the spindles continue to revolve, and their speed is increased. 

 As long as the sliver is not wound upon the spindles, and no 

 more is given out from the bobbins, its length remains un- 

 altered, and the revolutions of the spindles merely twist the 

 thread. When sufficient twist has been given the thread is 



