Colombo General Post Office
... that the first telephone booth in Ceylon was installed at the Colombo General Post Office on 16 August 1909?
... that the first telephone booth in <a href="./British_Ceylon" id="mwBV8" rel="mw:WikiLink" title="British Ceylon">Ceylon</a> was installed at the <b id="mwBWA"><a href="./Former_General_Post_Office,_Colombo" id="mwBWE" rel="mw:WikiLink" title="Former General Post Office, Colombo">Colombo General Post Office</a></b> on 16 August 1909?