To my unpractised eye, the undulations in the track were quite imperceptible, but the engineer's hand on the throttle was never still.

[T]o mak conquests o' bits o' lasses, ye would hae been sitting in your forlorn chair, confabbing wi' Jock, about whether by rope, or gun, was the easiest way o' deeing.

1947, Adelaide Evangeline Evenson, The Intestinal Flora of Laboratory Animals and Its Modification by Diet and Drugs:

There are no painted-glass windows in Southern mills to cut off the view or the light of heaven, and no icehearted superintendents to lord it over the operatives.