Show AND A New Gun A new sight differing essentially y from those at present In use has been Invented by Sir Howard Grubb The Instrument acts upon the principle of an old camera lucida camera at one time recommended recommended recommended rec rec- as an aid to artists by bythe bythe bythe the use of which an apparent ge of a white cross Is projected on to th the target aimed at The cross is in reality scratched upon ripon a translucent screen on the top of the Instrument but the rays of light from coming it tt are arc so bent from their their course course by double double double dou dou- ble reflection that It appears to be suspended in the air just in front of the object at which tl the e gun points By an Ingenious optical contrivance the Image of the cross appears appears sharply defined denned although the eye is focused upon the distant object an and l this suggests sug suggests sug- sug the great superiority of th the new news s sight over the old one for the novice is always troubled by the difficulty ty of seeing the near sight |