NR AWS 10
Standard and Extra Strength Permanent Magnets for AWS and Temporary Speed Restrictions
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| Organization: | NR |
| Publication Date: | 1 March 1987 |
| Status: | active |
| Page Count: | 8 |
scope:
This specification relates to permanent magnet, both standard strength and extra strength types, that are used for the AWS at signals, permanent speed restrictions and temporary speed restrictions.
Only the new pattern magnets are covered by this specification in detail but, because of the large numbers still in service the magnetic performance details of the original pattern standard strength magnet is are also quoted.
Document History
NR AWS 10
March 1, 1987
Standard and Extra Strength Permanent Magnets for AWS and Temporary Speed Restrictions
This specification relates to permanent magnet, both standard strength and extra strength types, that are used for the AWS at signals, permanent speed restrictions and temporary speed restrictions....
References
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