Specification for tractive armature direct current neutral-polar line relays for railway signalling. (14th July 1950)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 1950
• Extent: 1 online resource (14 pages)
• Subjects: 602.1841; Seatings; Pressure; Dimensions; Electric contacts; Electrical resistance; Repeaters; Railway signals; Contact resistance; Relays; Armatures; Neutral-polar relays; Clearances; Electric terminals; Direct current; Railway equipment; Switchgear; Voltage; Electrical equipment; Marking; Railway fixed equipment; Signal devices; Electrical testing
• Languages: English
• Related ISBNs: 0580008061
• ISSNs: 0002-1123
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.