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Show LESSONS TAKEN FROM NATURE. Ideas Not All Orlnlnat In the Brains of Inventors. "We got our hints from nature," the Irventor paid. "Take, for Instance, In-stance, tho hollow pillar, which is stronger than tho solid ono. Tho wheat straw showed us tho suporlor strength of the hollow pillar. Solid, tho wheat htraw would bo unable to support its head of grain. "Whoro did man get his Idea for carriage springs? From the hoofa of the horse, which, lllio tho aprlngH derived from them, aro made rrom parallol plates. "Scissors wo got from tho Jaws of tho tortoise, which aro natural scissors; scis-sors; chlsols from tho squirrel, who carries tli'm In his mouth; adres from tho hippopotamus, whoso Ivorleo aro adzes of tho host design j tho pana from .(he .hep's javvsj..vthe trip-hammer trip-hammer from the woodpeckor." |