American Instrument Company. “Dropping Mercury, Electrode, Polarometric Analyzer (Indicating Type): A Versatile Instrument for Quantitative or Qualitative Analyses, Either Simultaneously or Independently, Utilizing the Current-Potential Relationship Obtained with the Dropping Mercury Electrode.”: 152-155. - Reprint, undated

American Instrument Company. “Dropping Mercury, Electrode, Polarometric Analyzer (Indicating Type): A Versatile Instrument for Quantitative or Qualitative Analyses, Either Simultaneously or Independently, Utilizing the Current-Potential Relationship Obtained with the Dropping Mercury Electrode.”: 152-155. - Reprint, undated, Box: 1, Folder: 31. Albert C. Holler Collection, 2016-022. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/45591 Accessed October 18, 2024.