1–10 von 10 Ergebnissen
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    Submarine tunnel at Boston, Mass.

    Engineering Index Backfile | 1917
    Schlagwörter: Construction

    Jacketing a railway tunnel by mining methods

    Engineering Index Backfile | 1916
    Schlagwörter: Construction

    Tunnel drill carriages -- Their economic possibilities

    Brown, S.P. | Engineering Index Backfile | 1916
    Schlagwörter: Construction

    Drill-carriage wings held up by toggle braces

    Engineering Index Backfile | 1935
    Schlagwörter: Tunnel construction

    Quebec, North Shore and labrador railway

    Engineering Index Backfile | 1952
    Schlagwörter: Railroad construction

    Iron ore moves faster

    Engineering Index Backfile | 1955
    Schlagwörter: Railroad construction

    The lake superior and ishpeming railroad

    Gaskill, C.H. | Engineering Index Backfile | 1929
    Schlagwörter: Railroad construction

    Visualising promises of material shipments

    Russell, H.A. | Engineering Index Backfile | 1917
    Schlagwörter: Materials of construction

    Extending aluminum's field

    Engineering Index Backfile | 1916
    Schlagwörter: Materials of construction

    Steel structural parts for aircraft

    Horace / Knerr, C. | Engineering Index Backfile | 1923
    Schlagwörter: Aircraft construction materials