English: Drawing of a Fahnestock clip from a 1912 scientific equipment catalog. The Fahnestock clip was an early electrical breadboarding connector invented in 1907. It is designed to grip a bare or stripped electric wire securely, yet release it with the when the tab is pushed, as shown.
Public domain in USA - published in USA prior to 1923
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{{Information |Description= {{en|Drawing of a Wikipedia:Fahnestock clip from a 1912 scientific equipment catalog. |Source=Downloaded 2011-01-01 from [http://www.sil.si.edu/digitalcollections/trade-literature/scientific-instruments/files/51744/ima