Dorothy Donaldson Buchanan #Scottish civil engineer. 1927 1st woman member of Institution of Civil Engineers. Engineer on #SydneyHarbourBridge #Australia #Tyne Bridge linking #NewcastleUponTyne & #Gateshead & #Lambeth Bridges in #London d. #OTD 13 Jun 1985 en.wikipedia.org/wiki/Dorβ¦.
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