| Show influence of strum oil Ile researches searches of german scientists lave have shown that with long continued lactating heating in magnets lose from pir cent of their power it if after this the magnets lire find and aguin again ex posed to the action of steam only 1 it l very aliat power is found to tako take place Ae Acco coiling iding to ascii the ex cx peri menta have li ive beva been made would nouli beem to alio conclusion conc lution also that after such treatment a magnet magriel is less liable to delei horation iora lion from mechanical muth much anical vibration as well as aa heat |