Electricity: measuring and testing – Conductor identification or location – Inaccessible
Patent
1977-05-03
1978-07-18
Krawczewicz, Stanley T.
Electricity: measuring and testing
Conductor identification or location
Inaccessible
324 65CR, 324 71R, 338 13, G01R 2702
Patent
active
041018281
ABSTRACT:
A corrosion detector for indicating when a transportation vehicle such as an aircraft, train, truck, bus, automobile, or the like, should be washed. The detector indicates the amount of corrosive contamination collected on the vehicle's metal surface. The detector measures the electrical resistance in a chemical solution formed when a water saturated filter paper is placed on the metal surface.
REFERENCES:
patent: 1573174 (1926-02-01), Lasker, Jr.
patent: 2793527 (1957-05-01), Turner, Jr. et al.
patent: 2878354 (1959-03-01), Ellison
Crabtree Edwin H.
Krawczewicz Stanley T.
The Boeing Company
Widdowson John H.
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