Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1983-07-15
1986-01-14
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324133, G01R 3100
Patent
active
045648026
ABSTRACT:
A test device having a body including an electric bulb rated at 9 or 12 volts, illumination of the bulb being visible from outside the body; and at least two pairs of terminal stubs projecting from the body at regions spaced from each other, the members of each pair of terminal stubs being connected respectively to the terminals of the bulbs, the terminal stubs of one pair being spaced apart from each other by a first spacing of between 9 and 13 mm and the terminal stubs of the other or another pair being spaced apart from each other by a second spacing between 22 and 28 mm.
REFERENCES:
patent: 2794167 (1957-05-01), Jones
patent: 3004217 (1961-10-01), Ciardiello
Krawczewicz Stanley T.
Solis Jose M.
Stahl John C.
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