Curious French Experiments

A ourioua as well un interestüig series of cxpcriincnts, made in France, show approximutt'ly that the lu-uvicst loada man of strength can curry fot a short ; tanoe ia 819 pounds; aU a man can earry Imbitually, as, fot example, i soldiet liis knap'wifk, wülkiiiK on lcvcl : gi-ound, i 132 pounds, ou extreme load ; it unid Beem, r hecanoarryanaggregate of 1,518 pounds ott :i,"2(H) iVit as ■■ (lay's wol-U, ander like oirciunstances, Ü he asoend ladders oí stairs, as èn liodoarríers, Üien lie cmi cnny lut 12] pounds continuouflly, and liis rlay'swork cannot exoeed 1.2Ö2 ponnda raised :í,ih feel liigh. With teráxd to the effortand the vclocitv whipfi ii man can produce by pulling r puijhing it)i liis ' anns, it has been fouml by these experiment that, under the most favorable eircnmstanoes, and for continuous vork, an effort eannot be gained exeeeding from 26.4 to 88 poniuls laised from 1.8 to 2.1 feet per econd, or aboiit J-horse power.