BENZINE CHECK
DASHBOARD FUEL GAUGES Although a dashboard feul guage appears to be simply a hollow glass tube filled with a red fluid in order that the quantity of benzine in the tank may be checked from time to time, in construction this instrument, is rather more complicated and involved. The glass tqbe is really one side of a U tube, which is in turn connected to an ingenious device positioned in the fuel tank, and by calibrating this U tube against the pressure due to the level of the fuel in the tank, the column of liquid visible is correspondingly raised or lowered and read off against a graduation scale. Errors in reading with this instrujnent are due either to leaks in the thin copper pipe conneeting the U tube on the dash to the fuel tank, or to mechanical, loss in the tube itself; and in both cases the trouble can be easily rectified by repairing the leak in the U tube of liquid, filling again, and • calibrating against measured quantities pf fuel poured into the tank.
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Bibliographic details
Rotorua Morning Post, Volume 1, Issue 82, 27 November 1931, Page 7
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179BENZINE CHECK Rotorua Morning Post, Volume 1, Issue 82, 27 November 1931, Page 7
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