Gives the symbols recommended by the German Verein, explaining the most important rules observed in formulating them (1100 w.) (No. 26887 G)
New symbols for designating locomotives
Bul Int Ry Cong
1911
Report
Englisch
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On classifying locomotives by symbols
Engineering Index Backfile | 1942
|Uniformity in the symbols used to represent different types of locomotives
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|Designating and Naming Military Aerospace Vehicles
NTIS | 1985
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