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  • Highline Neighborhood Parks/Trails January 1974

    A planning document from January 1974 listing proposed neighborhood parks and trails in the Highline area. The document contains a numbered list of 29 potential park locations with details on proposed locations, acreage, priority levels, acquisition costs, and development status.

  • Kelsh Projection Stereoplotter (1960)

    Kelsh Projection Stereoplotter (1960). This was an automatic digital data input system used in conjunction with the photogrammetric plotter. The stereoplotter required two aerial photographs that have considerable overlap (60%). The photos are put onto transparent media and projected with a light source. Each image will be projected with overlap on the other. The operator,

  • Boeing 707 #17586

    On October 28, 1957, the first production Boeing 707 jet-powered commercial airliner, SN 17586, was rolled out at the Boeing aircraft assembly plant in Renton, Washington.