|Place of creation|
|Original file type||TIFF|
|View in library catalog|
New Jersey Board of Professional Engineers and Land Surveyors. “Certificate Licensing Donald F. Othmer as a Professional Engineer in the State of New Jersey.” Cardboard, paper, December 17, 1948. Folder 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/47429921g.
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