Interlocking machine The intricacies of interlocking plants have fascinated me since I read Model Railroader’s “Mechanical interlocking and signaling” series in 1961. In that series, MR’s Gordon Odegard and Paul Larson explained how they scratchbuilt a miniature interlocking machine that included operating finger-size levers for Paul’s HO layout. It took me almost 50 years to […]
“Mechanical interlocking and signaling” article series
