| http://www.w3.org/ns/prov#value | - The combination with a swinging windshield, an instrument board,.and means for operating the windshield, of a ventilator shield interposed between the instrument board and windshield and having a bearing engagement with the latter, and means including aspring having one end anchored upon said instrument board and the opposite end secured to said ventilator shield for urglllv ing the latter into en
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