Fifty Years of service : 1877-1927
1927
15, 167 S
4
Digital preservation by Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
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Fifty years of testing service
Engineering Index Backfile | 1945
|Eads bridge completes fifty years' service
Engineering Index Backfile | 1924
|Eads bridge completes fifty years' service
Engineering Index Backfile | 1924
|Fifty years of service and readjustment
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1960