always-locked

Updated: August 4, 2026

But believe me, friends, we are not going to turn out a better locomotive than the Jandel without both thought and work." His friends' enthusiasm was heartening, however. No doubt of that. He never let them into his experiment room, any more than he allowed his workmen in there. Aside from his own father, nobody really knew what Tom Swift was doing behind that always-locked door.

Victor [pseud.] Appleton - Tom Swift and His Electric Locomotive, or, Two Miles a Minute on the Rails