Life Saving Device for Wells

1893 Scientific American  
system of tests in determining value of the different , ' For more than ten horse power, per horse power, $8. , and of better quality than in other countries. The dis qualities is by burning and by absolute spirit. The Fractions of a hor�e power will not be considered, covery of aniline dyes brought about a crisis, and the percentage of pure camphor which the crude yields except for motors of less than one horse power. export of cochineal has rapidly decreased. The at when refined varies
more » ... ng to the quality of the I Ratings of motors will be the standard rating of the tempt to replace cochineal by tobacco. has proved a crude. The average percentage of gum �roduced from. manufactu,er. failure. The land is now largely planted with toma the wood as compared with the original weight of the 1 Charges for service will be based on the maximum toes, bananas, and oranges, and the Canaries are be wood cannot be accurately ascertained here, the only I electrical horse power delivered to the motor, irrespect-coming a market garden for Northern Europe, earlier foreigner known to have visited the camphor districts ive of the class of work to be operated by the motor, by several weeks than the Channel Islands. The steephaving declined to furnish any information on the, at the following rates: . ness with which the coast lands rise upward to the �ubject. For � horse power and less, $15. hills occasions a succession of zones differing in tem-'1'he total exports of camphor from Hiogo during 1891 For more than � horse power, and not exceeding � perature, nature of soil, and other conditions. There in catties of lVa lb. each amounted to 3;850,400 catties, horse power, $30. * Abstract of a paper contributed by Prof. Von Pettenkofer to the Munchener M,'dicmische Wochen8chrift, Nov. 15, 1892.
doi:10.1038/scientificamerican01281893-14243bsupp fatcat:bsc6zsdbr5eojarytjbpu2rbiu