Show investigate submarine explosion Exploit on un pedro calan investigation to establish the caute of the capio ion sion oo 00 the th submarine 6 37 which cost ost the urea lives of three men and the injure injury of fife fire others was under way thursday Thu on the mother hip ship beaver alongside the submarine squadron 0 to o the outer harbor here the batteries were being belli charged when the sion ion occurred and naval wn mm general ce I 1 I expressed the unofficial opinion that ft a short circuit caused the agul Is nl thou of hydrogen gas |