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    100-cycle power distribution for code train stop

    King, Jr., C.F. | Engineering Index Backfile | 1928
    Schlagwörter: Railroad train control

    Street traffic regulation

    Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control

    Colour light signals for road traffic

    Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control

    Recommendations as to street traffic control signals

    Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control

    I.C.C. hearing on train control

    Engineering Index Backfile | 1928
    Schlagwörter: Railroad train control

    Light signals for traffic regulation

    Ahrens, W. | Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control

    Detroit traffic situation

    Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control

    Train control test board

    Engineering Index Backfile | 1928
    Schlagwörter: Railroad train control

    Train control maintenance experience

    Kropid, V.T. | Engineering Index Backfile | 1928
    Schlagwörter: Railroad train control

    Details of traffic control methods

    Engineering Index Backfile | 1928
    Schlagwörter: Street traffic control