SIMPLE INVENTION.
A simple little invention has just been put on the market in England which deserves some attention because it solves a problem affecting practically all owners of cais marketed during the last two or three years.
As far as New Zealand is concerned, nearly all the popular makes have returned to the vacuum-operated screenwiper instead of the electric type, and from experience these owners know that wiper operation ie seriously affected by variations in engine suction. For instance, if the throttle is opened wide to climb a hill, the vacuum in the intake manifold disappears and the wiper ceases to operate.
The new device is simply a email vacuum or, more correctly, exhausting pump which ie mounted on top of the generator and driven by the fan belt. The ' screen wiper, of course, is connected with this instead of the intake manifold and thus is never affected by manifold pressures. Indeed, the new pump has the additional advantage that the faster the car is driven the faster the wiper works, so that it actually ie at its maximum efficiency at the time 'when it is needed most.
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Bibliographic details
Auckland Star, Volume LXX, Issue 43, 21 February 1939, Page 16
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189SIMPLE INVENTION. Auckland Star, Volume LXX, Issue 43, 21 February 1939, Page 16
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