ENGLISH INVENTIONS.
Among inventions of interest protected this year are a number relating to new metal processes by means of which alloys and metals are rendered impervious to corrosion and increased in strength in a way hitherto regarded as impossible. In motor engineering fields there have been a number of new cycle engines of the sleeve valve type, by which it is hoped to improve and simplify radial aero engines, particularly where efficient scavenging and high pressure are required. There has also been an invention for a new form of petrol tap, which will positively prevent leakage, and in the advertising world new inventions for Neon gas illuminations have beeii numerous.
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Auckland Star, Volume LXIV, Issue 137, 13 June 1933, Page 16
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111ENGLISH INVENTIONS. Auckland Star, Volume LXIV, Issue 137, 13 June 1933, Page 16
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