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BS 1050:1953 | 1 Jan 1953 | BSI Knowledge
Standard
Withdrawn
Subscription Exclusive
BS 1050:1953
Specification for visual indicator lamps for use in telephone and telegraph switchboards and for allied purposes
Published:
1 Jan 1953
•
Withdrawn:
30 Nov 1984
Overview
Preview
References
History
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Product Details
Descriptors
Communication equipment
Sampling methods
Indicator lights
Lamps
Light emission
Filament lamps
Electric lamps
Lamp caps
Colour
Tungsten lamps
Ratings
Circular shape
Low-voltage equipment
Marking
Dimensions
Carbon
Visual signals
Design
Electric current
Rated voltage
Life (durability)
Endurance testing
Tubular lamps
Testing conditions
ICS Codes
33.040.30 Switching and signalling systems
Committee
—
International relationships
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ISBN
0 580 01246 8
Publisher
BSI