The Sentinel=record., 1917-04-27
BRITISH HAVE SUNK
 MANY SUBMARINES
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 "The best defense against subma. rines we have found is the armed ship. During The early days they entirely yeered away fr-m such vessels. and even now only attack them submerged. when it Is necessary to waste tor ped1. which can often be lodged and 10 expose the submarine itself to de struction We have found that they are very much disconcerted if an armed ship turns on them direct and tries 10 run them down.
 Night attacks by submarines are not especial y to be feared, as it is nearly as easy for a vessel to see a submarine as it is for a submarine to see a vessel. Usually they run on the surface on night charging their bat teries and leave behind them a plain phosphorescent wake. as does tor pedo fired at night Sometimes. of course, they catch the lo, m of a ship on the sky line 10 great advantage Ii is at night only that they have any opportunity 10 rig up their small wire less devices to receive orders from home.
 Submarine chascrs are very yalu able, as they are fast and especially unpopular with the under ca b-ats A three pound gun is eTechye. if if strikes the vessels shell, but where the submarine is submerged a four inch gun is desirable 10 break down the armo"ed ming tower Subma- rines. we know, are carrying four. inch guns themselves and some are rep2rted 10 be carrying five and six inch guns. Their cruising capacity also is being largely increased
 "lt is extremely difficult to know if you have actually sunk subma. rine, as sometimes they me 'ely sink to the bottom. Pre- ence of oil on the surface is a good indicati n. though not abso utely conclusive. It may be used for decepti3n All the, indica- tiOns are good that the American steamer Mongolia bagged one, though lt is possible it got away. One If the great difficulties we have had 10 deal with has been whales, who have ab. g rbed an enormous amount of pro jectiles, fired in the belief that they were German U-boats."
 The entrance of the American fleet into the war hardly makes it more probable that the allies will send lheir big { eets in after the Germans It is not good strategy to risk war vessels against land Notifications. Nevertheless, we continue as during nearly three years to hope that the Germans will come out We will take every fisk to meet them as we did in going g close to their shores in the Jutland fight"
 Admiral De Chair sketched yividly the long night vigils of the patrol
 vessels, the terrible winter st3rms wlich sometimes send vesse to the bottom without leaving a trace, the menace of floating mines, the hide and-seek game between submarines and their prey and the ever-present tension and alarm
 One striking story was of a trawlcr with but four men aboard which, on sighting a perisccpe nearby made full speed toward it. The trawler struck the submarine squarely amidship. slipped mp on her back and came 10 rest there. The skipper shouted for a shovel and smashed in all the del. cate apparatus by which the U-boat sees it's way The trawler then backed, off the submarine rose to the sur. face, the matches opened and the crew .of 27 came on deck and surrendered The four captors had problem on their hands until destroyer opp r. tunelV appeared