. Scientific American Volume 88 Number 12 (March 1903). DE ORNAMENTS. Spain. Prof. Saville, through the generosity of theDuke of Loubat, who has done more than any othermodern explorer in uncovering the monuments andculture of Mexicos ancient civilization, is confidentthat in his future excavations and researches in theState of Oaxaca, he will undoubtedly come across thewhereabouts of the long hidden jadeite mines andthrow new light upon the mysterious and lost art ofworking this brilliant and precious stone. Fahrenheits Thermometer. Writing in Knowledge on the history of Fahrenheitsthermomete
. Scientific American Volume 88 Number 12 (March 1903). DE ORNAMENTS. Spain. Prof. Saville, through the generosity of theDuke of Loubat, who has done more than any othermodern explorer in uncovering the monuments andculture of Mexicos ancient civilization, is confidentthat in his future excavations and researches in theState of Oaxaca, he will undoubtedly come across thewhereabouts of the long hidden jadeite mines andthrow new light upon the mysterious and lost art ofworking this brilliant and precious stone. Fahrenheits Thermometer. Writing in Knowledge on the history of Fahrenheitsthermometer, Prof. Cleveland Abbe, of the UnitedStates Department of Agriculture, says: There is everyevidence that the Fahrenheit scale began with his useof plus 90 as the upper limit of the temperature of thehuman body, and minus 90 for the lowest temperatureof the air in Europe, and also the temperature obtainedby the mixture of salt and ice. Fahrenheit subse-quently used a second scale in which plus 12 andminus 12 replaced the plus 90 and minus 90. In 1714,. SIDE VIEW OF THE CARVED JADEVOTIVE ADZ. FRONT VIEW OF THE CARVED JADEVOTIVE ADZ. The Dutch Brine Vegetable Industry. The cultivation of vegetables for pickling constitutesone of the most important industries of to the official record, there are in all about7,500 acres of farm land devoted to the cultivation ofonions, in addition to a number of market gardenswhich do not enter into the official estimates. Abouthalf the entire crop is grown in the province of Zee-land, the remainder mainly in the provinces of Northand South Holland. The yield per acre varies consid-erably with the season, but in the case of the commonlarge onions, the average may be taken at about 300bushels, though in some years the produce hasamounted to over 370 bushels per acre. The areasupon which these onions are grown are usually small,seldom exceeding five acres in extent, and more fre-quently being about half that size. Small holdingsare,
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