The Bridgeport evening farmer., 1909-04-28
NEWEST NOTES OF SCIENCE

Nearly 10000 women are employed in the brickyards of Prussia.
 Two-thirds of the earths surface never experiences snowfall.
 The first steeple clock was set up in Milan 600 years ago this month,
 The pigmy mouse of Siberia is be- heved to be the smallest quadruped in the world
 A native of Burma has invented a peanut-husking machine, which is said to work satisfactorily.
 The Antartic Cihcle was first crossed by Europeans by the James Ross ex- petition, January IT, 1773.
 China buys from Japan about three fourths of the coal she imports, about $50e0, ,000 worth a year.
 An international congress of applied chemistry will be opened by the Prince of Wales at London, May 27.
 The brain of the average man begins to lose weight at 40 years, and that of the average woman ten years earlier.
 But little sand is used in the modern manufacture of sandpaper, nearly all of it being made with powdered glass.
 There are eight paper mills in Britt ish India, producing about one-third of the paper that country consumes.
 Wisconsin's average corn production has increased from 25 bushels per acre in 1901 to over Al bushels in 1908
 False teeth of ivory. fastened by gold wires to plates of the same material, were in common use ten centuries B. c.
 New York has nearly 5000 900 acres of meadow land, upon which more than 5000, 900 tons of hay are raised each year.
 Concrete safes, moulded in a single piece, with steel doors, are a novelty They are said to be both damp and fire proof.
 A Pennsylvanian has patented a wa terprocf cover for women's hats, so compact that it may be folded and car ried in the pocket.
 The longest aerial faiaRFaDh line in the world, without a break, is a re- gently completed stretch of over 5000 miles in Australia.
 During 30 years of asbestos produc- ton, Canada, which leads the world in the output of the mineral, has produc- ed over SEQ, 100000 worth.
 Of the seven Sicilian cables broken by the last earthquake, six have been repaired. The other was too deeply buried in the sand to be raised.
 With view to resisting aerial in vasion should war ever occur, the British army will experiment with 18- pound shell against captive balloons.
 Embodying the principle of the gyro- scope is a device which a French en- gineer has invented to secure the au- tomatic equilibrium of aeroplanes.
 Canada's first plant for the manu- facture of creosote is to be established at Weedon, Que, by a company em- ploying capital from the United States.
 A new rifle, using the force of the
  load the chamber. may be fired five times in a second and a half.
 A new apparatus for making ozone consists of a tube containing a Nernst rod, over which, when it is heated, a current of air is drawn by fan.
 A vein of lead and zinc ore has been discovered on the ground of the School of Mines at Piattsville, Wis, and will be developed by the students
 The danger in packing meat extracts and preparation in tin is said to lie in the fact that the absorption of the tin by the contents is continuous.
 Artificial states are made by coating paper with a mixture of copal varnish turpentine, plotting sand, powdered glass powdered slate and lamp black.
 German railroads are experimenting with electrical sirens, in which the sound is produced by the vibrations of diaphragms influenced by electro-mag- ents.
 Nearly 75 per cent. of the watch makers in American factories are Ger mans, 20 per cent. English, and all ropean countries.
 A Swiss electric railroad is using a crossing gate which is automatical- ly closed by a motor to which the pow CT is switched by the trolley bows on approaching cars.
 In tableware one of the newest in yentions is that of an Indiana man, a fork in a slot in the shank of which is set a wheel with a sharp edge to serve as knife.