Summary

An instruction plate for the use of bye-pass (or bypass) valves on a locomotive.

Physical Description

Rectangular aluminium plate with black painted background. Plate is bent at lower left corner. Some surface stains and scratches. Four holes at each corner.

More Information

  • Collecting Areas

    Transport

  • Acquisition Information

    Bequest from Mr Eric Quinlan, 15 Dec 1995

  • Inscriptions

    Front: " BYE-PASS VALVES : INSTRUCTIONS / DURING PREPARATION BYE-PASS STEAM / VALVE MUST BE CLOSED. / AFTER AT LEAST TWELVE REVOLUTIONS / OF THE WHEELS WHEN MOVING OFF, OPEN / BYE-PASS STEAM VALVE AND LEAVE OPEN / WHEN STABLING, CLOSE THE BYE-PASS / STEAM VALVE. "

  • Classification

    Rail transport, Railways - steam power

  • Category

    History & Technology

  • Discipline

    Technology

  • Type of item

    Object

  • Overall Dimensions

    177 mm (Width), 15 mm (Depth), 95 mm (Height)
    Note that plate is bent and does not sit flat.

  • Keywords

    Railway Locomotives, Signs