velopment of preserving the distance between the cars and also to of tannin were 7.43, 7.85, and 6.08 per cent respective- equalize traction, as each car is self-propelled by a pair ly. In similar analyses of the teas sold by the four the contact process for the manufacture of sulphuric of electric… … an hour on level macadam In order to test the effect The Power Plant on the Tractor. roads, and has ascended a 10 of vanadium upon steel, i.a. A dynamo in front is chain-driven from a 40-horse-power, 4-cylinder engine. per cent grade at the rate of mild steel free from phos- 2 miles an hour. On…
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