amount of rock into the mud In order to secure a about 900 feet in length. They pass over wooden An interesting investigation has recently been conditions of the upper atmosphere. It has long been well known that the air at some distance above the ground level is at a relatively high potential. The observations however have not up to the present been extended to any considerable altitude. The experi ments are being carried out at Glossop in the follow which is anchored down to the ground by means of an insulator. The potential difference is first deter construction at Leipzig Germany which will be one eater Sterilized at the Tap. gallons of water per day. Several recent railway accidents in Germany have been traced to the failure of engine drivers to see signals which circumstance has caused the Prussian AN AUTOMOBILE FOR HORSES. NEW METHOD OF MAKING A FILL BY DUMPING THE LOADED CARS FROM A SUSPENDED TRACK. track hung upon the cables. entirely original; and it IServes to show that in the minal. This latter is to have 26 parallel tracks which wide so that the total width of the train shed will signal about 0 yards before the signal itself is actu ally reached. This is accomplished by the use of an, scientific american, 1908-10-24
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