From this machine the roving is wound on a bobbin ready for the spinning frame.
For very heavy jute yarns the spinning frame is not used—the desired amount of twist being given at the roving frame.
The rove yarn is now ready for the spinning frame, where a further draft of about eight is given.
The yarn coming from the spinning frame is sometimes dyed before weaving.
Two years after the jenny, in 1769, Richard Arkwright invented the spinning frame.
His spinning frame and Hargreaves' spinning jenny each needed the other to perfect its work.
The final machine used in the conversion of rove to the size of yarn required is termed the spinning frame.
In regard to cloth manufacture, most yarns are utilized in the form they leave the spinning frame, that is, as single yarns.
This business he gave up about 1767 in order to devote himself to the construction of the spinning frame.
The introduction of these machines was preceded by a careful study of what had already been done in Spinning Frame design.