Which machine combined the multi-spindle operation of the Jenny with the stronger twist capabilities of the Water Frame?

Answer

The Spinning Mule

Samuel Crompton created the Spinning Mule by combining the best elements of both the Jenny (multi-spindle operation) and the Water Frame (stronger twist) to produce extremely fine, strong yarn.

Which machine combined the multi-spindle operation of the Jenny with the stronger twist capabilities of the Water Frame?
inventionmachinecottonspinningwool