Popular science monthly . gs, the WestIndian negroes actually walk up thetrees. Clasping the smooth trunk withtheir hands and placing the soles of theirfeet against it they ascend the trees wit!.-out the least ditticulty and descendin the same manner. So prehensile can the toes become thatWest Indian sailors climb ropes andrigging as the\- do palm trees; it is not anuncommon sight to see a black seamanwalk up the polished mast of his sloop. Manhole Ventilated with Electric Fanto Cool Men Below WORKMEN employed in the con-duits of a Los Angeles electriccompany are enabled to work in comfortwhil


Popular science monthly . gs, the WestIndian negroes actually walk up thetrees. Clasping the smooth trunk withtheir hands and placing the soles of theirfeet against it they ascend the trees wit!.-out the least ditticulty and descendin the same manner. So prehensile can the toes become thatWest Indian sailors climb ropes andrigging as the\- do palm trees; it is not anuncommon sight to see a black seamanwalk up the polished mast of his sloop. Manhole Ventilated with Electric Fanto Cool Men Below WORKMEN employed in the con-duits of a Los Angeles electriccompany are enabled to work in comfortwhile underground by the use of anelectric fan for \entilation. The man-hole is protected b\ a portable railedeiulosiire, to keep any careless motoristfrom (lri\ iiig into it. and at the base oftlie railing is set an ordinary- electric fan,so arranged that the blades dri\e theair straight down. This affords a coolbreeze that reaches the workman in thehut and stulTy cell below the pavementand .idds a great deal to hi- The of the elcilru- l:in suspetuud :{\ tlienianliole drive the air currents straiftht down What Becomes of Old Army Rifles? Instead of beating swords and guns intopruning-hooks and ploughshares, the Govern-ment sells them to motion-picture companies WHENEVKRthe ariii\-and navyofficials find thatthey have onhand a consider-able quantity otsupplies which lorsome reason are nolonger usable, theycondemn the equip-ment, arrange it invarious lots, andcall for sealed supplies usu-ally include a greatvariety of articlesranging from cork-screws to cannons,from siiilors shirtstosubmarines, froma few hundred messpans to millions ofcartridges—a mis-cellaneous andheterogeneousstock, which onlya daring mm wouldbuy and only agenius could utilize. Methods ofmarketing armyand na\y goods areinteresting. In thepast, militaryschools have beenamong the largestconsumers; butthey must now givefirst pliice to motion-picture is practicalh- no end


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872