Technical Note, Zachariah Power Halpin, July 20th, 1914

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Author(s)

Halpin, Zachariah Power
Recipient(s)
Others Mentioned
McCandless (H.W.) & Co
General Electric Co

Subject(s)

Miner's safety lamp

Dated

1914-07-20 (1914)

Associated Images

Identifier

NB262011 (legacy)

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
 

Citation

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