Typical cross-section and details, 1971-73
Typical cross-section and details, 1971-73 |
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| In the late 1960s and early 1970s, engineers and architects drafted hundreds of “directive drawings,” showing prototypical designs for everything from banked curves to hand railings. This drawing shows how to build a vaulted station within a rock tunnel., Harry Weese and Associates and DeLeuw, Cather & Company, “WMATA Rapid Transit Development Program Directive Drawings,” 1968-1973. Metrorail Specifications box 22. GWU. |
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