Half the hand mules were spinning 36's weft, at 4700 revolutions, and the other half 36's twist at 5000 revolutions per minute.
"A Catechism of the Steam Engine" by John Bourne
Slowly the mule climbed, and the twisting trail turned and wound higher and higher.
"Prince Jan, St. Bernard" by Forrestine C. Hooker
Then the reins of mule and horse were twisted from his stiff fingers, and Kirby's drawl broke through the coughing.
"Ride Proud, Rebel!" by Andre Alice Norton
The same number of yarn can be spun on a mule with less twist than on the ring.
"Textiles" by William H. Dooley
I could tell by the twist of that jolly old mule's head.
"The Crystal Hunters" by George Manville Fenn
We twisted him aboard a mule, and took turns walking alongside and holding him on.
"Gold" by Stewart White
China also takes 40^s mule, water twists and two-folds.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 5" by Various
The sun had set when Walthew urged his worn-out mule up a narrow track that twisted along the hillside through thick timber.
"The Coast of Adventure" by Harold Bindloss