Show Germans' Germans Giant Periscope One of ot the most Interesting of or the devices which have been produced durIng during dur dur- ing lug the tile war to amplify the range of Qt human vision is Is' Is Isa a giant periscope which the French captured from the G Germans says Popular Mechanics Magazine With this equipment an nn observer ob ob- observer server need not seek out some tall tree treo or high tower from frolD which to spy on the enemy for this collapsible ste steel mast cnn can be bo r reared at nt any Desired desired point In a n few minutes At Its upper end are a n conical tube and lenses by bv which horizontal light rays are deflected deflect deflect- deflect ed el downward to the observer stationed below The apparatus Is strongly built and the carriage e Is so made as ns asto asto to form a n wide spreading base Supported Supported Sup Sup- ported by the carriage alone the mast can enn be raised to a n height of or CO GO feet teet When it is extended to Us full length which Is 80 feet teet go guy ropes arc are required to steady dy It |