She may even have slipped back the spring-catch of the outer door.
Indeed, by pressing on the spring-catch they released the two gates, which drew aside, and the mass rushed through.
When lifted out of the case, spread the two parts forming the base, which are then held by a spring-catch.
And that windows should slide up and down in their frames, and stop at certain places with a spring-catch!
Are we to suffer the machinery and the working of our boasted constitution to be arrested by a spring-catch, applied in the dark?