Show carious use cue of 0 tho some years ago on one ol of the san railways a barrel which should have contained silver coin was found on arrival at its destination to have been emptied of its precious contents and filled with sand professor ehrenberg being consulted on the subject split sent for samples of sand from all the stations along the different lines of railway through which the specie had passed and by means ot of ills hia microscope scope identified the station flom which the interpolated sand must have been taken the station once fixed apon it was wag not difficult to hit upon the tha culprit among the small number of employed emp loyes on oil duty there |