Details

Introduced: September 1968

Last revised: January 2006

Full Title

Order telegraph apparatus, i.e. means for transmitting one of a finite number of different orders at the discretion of the user, e.g. bridge to engine room orders in ships > Details

Classification Context

Section:: PHYSICS
Class:: SIGNALLING
Subclass:: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS

2 direct subcodes

Child Classifications

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G08B 9/04 Means for recording operation of the apparatus
G08B 9/06 Means for indicating disagreement between orders given and those carried out