41–60 von 246 Ergebnissen
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    A novelty in street railway track

    Engineering Index Backfile | 1899

    Duluth ship canal tunnel

    Conklin, C.C. | Engineering Index Backfile | 1893

    Relining the Mauvages Tunnel on the Marne Ship Canal

    Mann, Francis B. | Engineering Index Backfile | 1913

    Traffic census on highways

    Hewes, L.J. | Engineering Index Backfile | 1913

    Erection of an eight-track rolling lift bridge

    Engineering Index Backfile | 1910

    A temporary wooden drawbridge

    Engineering Index Backfile | 1906

    Iran builds railroad

    Engineering Index Backfile | 1938

    Remodeled street triples traffic room

    Engineering Index Backfile | 1940

    Terminal subdivides traffic for efficiency

    Engineering Index Backfile | 1956

    Pile driver for small foundations

    Krebs, W.J. | Engineering Index Backfile | 1938

      Pile driver for small foundations

      Krebs, W.J. | Engineering Index Backfile | 1938

    Scenic road traverses California sierras

    Engineering Index Backfile | 1937

    Chicago regional traffic survey

    Engineering Index Backfile | 1932

    Present status of major engineering projects

    Engineering Index Backfile | 1930

    Traffic control adjacent to safety zones

    Sorensen, L. | Engineering Index Backfile | 1928

    Replacing a railway span at congested site

    Engineering Index Backfile | 1928

    Abrasive wear of hard pavements proved in Columbus

    Simpson, R.H. | Engineering Index Backfile | 1926