Map showing annual number of thunderstorm days in England, Scotland and Wales
€269.00
Earthing
€404.00
Code for temperature measurement Temperature/time indicators
Basic enviromental testing proceedures. General
Specification for dimensions of track circuit insulation
€316.00
Specification for capacitors for railway signalling track circuits
€165.00
Specification for untreated asbestos paper for electrical purposes
Determination of electric strength of solid insulating materials at power frequencies
Glossary of terms used in industrial high-frequency induction and dielectric heating
Specification. Papers for electrical purposes
Railway signalling symbols Wiring and written circuits
Colour code for twin compensating cables for thermocouples
Railway signalling symbols Schematic
Specification for alternating-current line relays double-element 3-position (for railway signalling)
Specification for alternating-current relays for railway signalling: track relays (double-element, 2-position), line relays (single-element, 2-position)
