Lecture by Capt. Bill Robertson, 1989, 7.10., OT Convention in Davos, Switzerland<br /><br />Hello everybody! Welcome to Davos, Switzerland - up here in the snowy and beautiful Alps - and this wonderful OT Convention 1989, hosted by Walchwil, Zurich, Bern and other different delivery places in Switzerland. This is Admin Briefing #4, and it is called "OMITTED BRIDGES"
