Show A SUBMARINE mE LANTri tri TESTED tile the norfolk va day book records an inte interesting trial of gould lamb s submarine intern lantern which came off in the pro presence ence of a board of examiners I 1 appointed by the navy on thursday the dinst at portsmouth navy yard it says the lantern was lowered to a depth of sixteen feet in a reservoir reser voir of water inside the yard whon when it continued to burn buri for half an hour the da day y b being oppressive oppressively ly warm and the he board boar d of examiners Examiner san and d anven tors exposed to the rays of the burning sun farther export experiments ments were postponed until nine clock 0 at night when a second trial was made from a barge at the foot of the commodores warf the lantern was first lowered down to the bottom of the river then se tests made as to tho the exit exact c t distance rays of light C could be seen from the surface A albo abo the distance liht light Z could bo be thrown so as to distinguish accurately distinct objects an oar lowered to the depth of six feet fee I 1 from the lantern the lantern bein being sunk four ou feet was so clearly seen that the grain of the wood was visible the ri r i s of the light were visible upon the surface of the river when the lantern was sunk to the depth of 12 feet these experiments peri ments were made in thick muddy water and except that the board wera entis fied as to th the principles I 1 involved olve dl the lantern could been kept ut u t der water for three hours the same principles which govern nt at a depth of sixteen feet will nill prove equally successful at a depth of 9 3 or feet taij thi i lantern in with ith a submarine sub manne armor is is destined to open up a new field of 1 enterprise i in submarine explorations exploration for lost treasures |