A Rope Barometer

In the office of the Des Moines Register is the best barometer iu the state It coDsists of au ordiuary rope attaehed to the carrier box betweeu the first and fourth floors, makiug it uearlv GO feet long. This rope is wou derf ully sensitive to chaiiges in the atuiotfphere At least 24 hours befove the average rain it begius to tighteu by the absorptiou of ruoisture. lts predictioua uearly aiways come true.