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Show SCIENTIFIC NOTES Leaves of the cinnamon tree contain con-tain eugenol, a constituent of oil of cloves, which Is used In the manufacture manufac-ture of vanilla. Nonedible fish that are brought to a French port by trawlers are converted convert-ed into a flour that is mixed with feeds for poultry, cattle, sheep and dogs. American endless tread tractors have been adopted by n lumber company com-pany in Burmah to do the work heretofore here-tofore ' performed by elephants In piling pil-ing logs. After more than a year of work a Los Angeles man has perfected a microscope mi-croscope more than five feet long, claimed to be the most powerful In the world. An inflatable buoy that can be attached at-tached to the upper part of a waterproof water-proof hunting suit has been Invented to enable hunters to approach game In deep water. |