BS 2733:1956 - Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines

BS 2733:1956

Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines

Status : Withdrawn   Published : March 1956

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Telephone ringing and speech circuits. Magneto-generator characteristics, magneto-operated bell. Coupling unit.




Standard NumberBS 2733:1956
TitleSpecification. Intrinsically safe magneto-call telephones primarily for use in coal mines
StatusWithdrawn
Publication Date14 March 1956
Withdrawn Date15 January 1984
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Draft Superseded ByCR(ELE)5524 DC
DescriptorsTelephone equipment, Type i protected electrical equipment, Protected electrical equipment, Mining equipment, Coal mining, Permanent-magnet generators, Telephone signalling equipment
ICS33.050.10
ISBN0 580 02903 4
PublisherBSI
FormatA5
DeliveryNo
File Size0 KB
Price£182.00


WITHDRAWN TITLE
*To ask about withdrawn titles contact the
Customer Relations
cservices@bsigroup.com, +44 345 086 9001
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