CHEMICAL METAL-FINISHING PROCESS A METAL-FINISHING process 11. which, "The Commercial
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Motor" understands, has taken the place of nickel plating in certain applications. has been developed by Metal Processes, Ltd., 758-786, Kingsbury Road, Erding
ton, Birmingham, 24. It is a purely chemical process, and whilst the penetration is not deep, the surface is reasonably durable.
No claims are made that the finish is
as hard as, that obtained with nickel or chrornium plating, but it forma a basis for chromium plating.
CIRCULAR ROADS AROUND GLASGOW PROPOSED
1N a -planning scheme for Glasgow, stibmitted last week to the Secretary of State for Scotland, proposals are put. forward for the construction of two ring roads around the city and a num^ ber of radial highways.
, Relief of congestion in the city centre; is the aim.of :the 'scheme,which is in addition to proposals for building a' circular road around Glasgow, as projected in the Clyde Valley regional .plan. This. road would be at a greater radius &dm the city than the two included in the-new proposals.
A SAFE ELECTRODE HOLDER • , IN a new electrode holder produced by I the General Electric Co., Ltd., Magnet House, Kingsway, London, W.C.2, not only is the holder fully insulated in the :normal way,but the electrode, when not in use, is isolated from the current supply.
The isolating contacts are housed in the electrode holder and are operated by" depressing a lightly loaded spring lever located along the body .iaf the hcilder. The switch is of a type which will break the full welding current without caning severe arcing at the contacts.