This is another train pulled by the Jumbo over a bridge. Drawing by Shivaji N Choudhury, 24 Sep. 2003.

This is a sketch of a WDM-2A emerging from a tunnel and hurtling towards its destination. Drawing by Shivaji N Choudhury. 26 Sep. 2003.

Circuit Diagram of Dynamic Brake Control in WAG-5 Locomotive. Diagram provided by Zubin J Dotivala, Jul 2003

A drawing of a WAP-4 locomotive, by Juan Martin Cejas.

A drawing of a WDM-2 locomotive, by Juan Martin Cejas.

GIPR's Y class. Scanned by John Lacey.

XD with booster. Scanned by John Lacey.

X class loco. Diagram provided by SK.

Rack and pinion. Diagram provided by SK.

Wheel profile - worn 2. Diagram provided by SK.

Wheel profile - worn. Diagram provided by SK.

Wheel profile - 2. Diagram provided by SK.

Wheel profile - 3. Diagram provided by SK.

Coach shell. Diagram provided by SK.