I enjoy animating scenes on my O gauge layout, and have come across a great way to get slower, more-precise realistic action: using servos. A servomotor, or servo, is a small, inexpensive device that ...

Frank Cerauli built the magnificent 15 x 30-foot O gauge layout that fills part of his home on dreams. In that important respect, he hardly differs from so many of the creative and hard-working men ...