The Bridgeport evening farmer., 1909-07-13
NEWEST NOTES OF SCIENCE

The British army has replaced it's ring targets with ones bearing trl- angular markings as having a better relation to the human figure for teaching craftsmanship.
 On French bicycle and automobile race courses new vehicle is being used to pick up bits of metal with electro-magnets to diminish the num- Der of tire-punctures.
 The excavation of one of the largest and most beautifully decorated villas yet discovered in the ruins of Pompeii has been stopped by a dispute over the ownership of the property.
 Denatured alcohol has been success fully made from flax straw at the North Dakota Agricultural College, but not in sufficient quantities to make it a paying proposition.
 A young farmer of York, Pa., has in- vented an alarm clock attachment that opens a feed box and gives his horse it's breakfast without requiring the owner to rise early.
 A new system of wireless telegra- phy uses very small spark gap but a very powerful current Paper is inserted between the electrodes to prevent the formation of arcs.
 An electrical heater, costing about cessful operation at the Roosevelt drainage tunnel at Cripple Creek, Colo, to thaw explosives.
 The Austrian Ministry of War is | tricity instead of a hammer and pin. It is claimed that the soldier using it can hold it more steadily.
 Although Morse perfected his elec- public demonstration over half a mile of wire, several crude systems had been tried prior to 1900.
 German medical experts are argu- ing that in the use of mercury vapor lamps is injurious to the, eye. and claim that their rays cause conjunc- tivttis and paralysis of the retina.
 Rubber may be fastened to metal by a cement made by dissolving flake shellac in alcohol to form a. thick syrup. Several coats should be ap- piled. each just before the preceding one dried
 A way to prevent the wood of the cabbage palmetto from warping has experimenting, and 1t is beginning fto be used for furniture and other or namenta1 objects.
 The use of heavier locomotives and cessitated the use of larger cross-ties- The present standard tie is now foot longer and two inches wider than a few years ago.
 A new North Carolina. law requires all locomotives to carry electric head lights of at least 1900 candle-power, measured without the reflector, but gives the railroads until April 1, 1913, to comply.
 To facilitate picking up change in a store, a. New Hampshire man has invented a. bowl shaped receptacle, mounted on an axle supported by a stand. which may be tipped. the coins sliding into a persons hand.
 Some of the iron produced from mines in the Adirondacks mountains contains as much as 43 per cent. ti- tanium and is being experimented with for rails and car wheels, for xI~f1 4+. lrrro nfl
 Electric service throughout a large portion of southern California recently was interrupted for ten minutes be- cause a. large eagle alighted on two feed wires. being electrocuted and causing a short circuit.
 Low grade brown coal, which con- tains too much moisture to be eco- nomically employed in ordinary fur naces, now is being successfully burn ed in Germany under water tube boil- CTS especially designed for 1t.
 At a recent meeting of the Royal Medical Society at London there was exhibited a section of the aorta of the Egyptian King known as the Pharaoh of Oppression, showing that he had suffered from senile calcification of the veins.
 A motor which can be swung from a mans shoulders by straps, supplied any ordinary current, and driving a. polishing wheel attached to flexi- ble shaft, has been put on the mar ket, for cleaning metal work.
 The Iowa Agricultural experiment station has found out that, on rail- roads running east and west. it is necessary to plant different kind of grass on the north side of e4n- bankments from the south side, be- cause of the different amonts of sun light that each side receives.
 5. As an emergency signal for sub mraines, the navy has adopted a cop- per ball. attached to light wire, which can be foated to the surface of the water through the torpedo tube Of a submerged craft The DalI con- tains a telephone by which commui..- cation can be had with the crew Of