Deflector sentence example

deflector
  • The deflector is an instrument designed to enable an observer to reduce the deviations of the compass to an amount not exceeding 2 0 during fogs, or at any time when bearings of distant objects are not available.
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  • With the deflector any inequality in the directive force can be detected, and hence the power of equalizing the forces by the usual soft iron and magnet correctors.
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  • Several kinds of deflector have been invented, that of Lord Kelvin (Sir William Thomson) being the simplest, but Dr Waghorn's is also very effective.
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  • The use of the deflector is generally confined to experts.
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  • They offer three lens colors with their frames--a luminator, a neutralizer and a deflector.
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