Geometrical instruments
Patent
1982-01-07
1984-10-09
McQuade, John
Geometrical instruments
339256S, H01R 1122
Patent
active
044757824
ABSTRACT:
A plug-board type apparatus permits the interconnection of electrical conductors and components having conductive leads as an aid in the instruction of students in electricity and electronics. A panel of insulating material has a plurality of openings to receive the leads. A plurality of cavities are positioned opposite the openings, each of the cavities being accessible to leads through a different set of the openings. A pair of coiled contact springs are positioned in each cavity to receive and hold therebetween electrical leads which are inserted through the openings.
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Austin Paula
Buck Engineering Co., Inc.
McQuade John
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