Show Xv tr for force of T 1 I ds d s much las bas been said about as a fac barter lor for destructiveness in the various gy ranting rati 0 storm clouds known as cyclones dahms and tornadoes in all of ibis voluminous mass of so called la c cp opinions inions and deductions one fact E ina to have been entirely over looks J vin vi the almost resistless force of wind when ihen moving with high velocity lo 10 ity men the velocity is but fifty miles an hour the tha pressure of air in motion is is equal to twelve pounds pound sto to the square foot and when this velocity rises to miles per mourits lui r iti force rises to the equivalent or of pounds to th sn square putro foot tho augmentation abo aion tation of force being always i proportional to the square of the velocity it needs no further elaboration or amplification of this statement to convey to the intelligent reader an idea of the tha monstrous mechanical force which such a rapid traveling mass of air must have a power preat great enough to tear down any structure that has yet been built by man or to uproot whole forests of th the largest trees now growing on the surface of the earth st louis louia republic |