The Bridgeport evening farmer., 1909-03-01
NEWEST NOTES OF SCIENCE.

Seven hundred billion matches year, it has been estimated, are consumed by American smokers.
 A new English steam launch, though 75 feet long, draws but 20 inches when carrying a ten-ton load.
 During 1908 topographers of the Geo. logical Survey mapped 26,994 square miles in g States and Territories.
 Forest fires last year depleted the forests of the country to a greater ex- tent than numbering operations.
 State law in Victoria requires that 70 cubic feet of air per minute be sup piled to each worker in a mine. The distribution of hot springs in the United States coincides very closely with that of the mountain uplifts.
 According to Cornell University of the country over 7o0,O0O,OO0 per year.
 A German physician declares that red haired persons are more suscept- ible to consumption than those with darker hair.
 Half of Colombia,s miners are wo- men, working in the hydraulic opera tions, up to their waists, in water, be- side the men.
 Government experts estimate that the Mississippi river carries off one tenth of the total rainfall of the Uni- ted States.
 Two Wisconsin men have been granted a. patent on a. device to be at tached to a hen to register the num- Der of eggs she lays.
 Since gold was discovered in the Klondike, about a decade ago, $125,- 000, 900 worth of the precious metal has been taken out.
 The worlds entire supply of the oil of bergamot comes from a small sec ton of Calabria, fronting on the Straits of Messina-
 A new electrical machine in the Treasury at Washington counts 1000 coins of any denomination minute, and packs them in sacks.
 Rich diamond fields recently were discovered in German S"uth Africa, bearing gems less than a foot from the surface of the ground. The nations supply of stone suitable for the manufacture of cement and concrete mixtures is regarded as prac- tically inexhaustibIe. Nine-tenths of human energy ex- pended in muscular movement goes out at heat. but one-tenth being utilized mechanically es work done the box is lifted and dumped by the same motor that drives the vehicle, are being tried out in Berlin.
 It has been> estimated that if the flea could keep up his speed without being obliged to stop between jumps he could cover ten miles in min ute.
 During a severe storm at Hacketts- town, N. J., lightning struck the street lighting system. passing through B tungsten lamps. without burning them out.
 A New York electric light company is using a rotary pump, mounted on the rear of an automobile and driven by it's flywheel, to pump out flooded manholes.
 In training its cavalry recruits, the chine, driven by electricity, in which all the movements of horses are sim ulated-
 A recently invented life-saving raft for use on Paris lakes frequented by skaters is supported by small balloons, so it will not sink should the ice break
 For some unexplained reason 6O-inch searchlights have proved unsatisfac- tory in the navy, and they have been abandoned in favor of the 30 and 36- inch oneS-
 Incandescent lamps can be co!ored by dipping them in a. solution of white shellac in denatured alcohol, to which has been added aniline dye of the de- sired hue.
 The largest room under a single roof in the world is the passenger con- course of the new Union station at Washington, having an area of 96,500 square feet.
 There is said to be $1 ,000 oOo0 worth of whalebone locked up in single Massachusetts storehouse, held for the better prices which are expected in the near future.
 The town of St. Albans, near Lon don, uses no fuel except the towns refuse in it's municipal electric plant, which contains four 75-kiIowatt direct current generators.
 Tungsten electric lamps are more eff ffcient than those with carbon fila ments for the reason that they can be operated at a higher temperature, pro ducing greater brilliancy.
 A Government geologist has estimat- ed the free water in the earth's crust as euua, to a sheet over the entire surface about 96 feet deep. or about .01 %1S-, f1,4
 In a new musical instrument, an Austrian invention, the pressure of piano keys brings strings into contact sic very much like that of a violin.
 Artificial grindstones. made d< equal | parts of Portland cement and quartz