The Rapido HO mechanical refrigerator car is based on a National Steel Car prototype built for Canadian Pacific in the late ...

Round bars work great with top mounted couplers but have lower clearances ... chains inside the spring bars or forgetting a safety clevis, can really ruin your day. Your hitch instructions ...

Abstract: New equal-ripple polynomials were determined and applied to the synthesis of symmetrical TEM-mode coupled-transmission-line directional couplers (using exact methods). Tables of designs for ...