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ruling grade
From Wiktionary, the free dictionary
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English
Noun
ruling grade (plural ruling grades)
- (rail transport) Synonym of ruling gradient.
- 1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co. (photo caption):
- Homemade No. 6187 climbs the .51 per cent ruling grade west from Fort Wayne, Ind., with 68 cars behind her tender.
- 1959, Steam's Finest Hour, edited by David P. Morgan, Kalmbach Publishing Co. (photo caption):
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