Spraying Metal .1337 • Electric Pistol
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XPERIM EN TS are being conducted 1--4 by Metallisation Ltd., Dudley, with an electric-arc pistol to melt the feed wire. Full details of the pistol will not be released until the apparatus has reached the production stage, but an official of the concern told The Commercial Motor" that two wires are fed into the pistol and energized by an electric current which causes both wires to melt.
Compressed air, used in the normal coal-gas-oxygen pistols, caused interruption of the arc when-employed in the electric pistol. To overcome this difficulty the air for the electric pistol is passed over a radio-active isotope of phosphorus, a by-product from the Harwell atomic-energy station, which ionizes the air and makes it nonconductive. The metal-spray process is used to rebuild worn parts and protect metal surfaces against corrosion.
123,544,000 FOR ROADS
I N the year ended March 31 last.
grants to highway authorities and others, totalling £14,804,499, were made from the Road Fund. Of this amount, 112,248,367 was spent on the maintenance and minor improvement of classified roads in counties. Only 12,037,990 was spent 'on improvements, new construction, etc.
Maintenance and minor improvement of trtink roads cost the Road Fund £6,240,18. Other expenditure in connection with trunk roads brought the sum spent under this heading to £7.915.628.
The grant in aid of the Road Fund was /23.54.000.
MORE TRAMS ABANDONED
NEW A.E.C. Mark 3 double-deck buses have replaced trams on Bradford Passenger Transport Department's route to Queensbury. Only two tram routes remain in Bradford—those to Thornbury and Osdal.