JBF, Matthias Mann, and Chin-Kai Meng. “Method of Producing Multiply Charged Ions and for Determining Molecular Weights of Molecules by Use of the Multiply Charged Ions of Molecules”, 1992

To request archival materials you must have a research appointment already scheduled. To make a research appointment, please fill out our appointment form and a librarian will contact you to confirm.

To ask our library staff a question, please email us at research@sciencehistory.org or submit a question via our reference question form. To request that something be digitized, contact us at reproductions@sciencehistory.org or visit https://www.sciencehistory.org/rights-and-reproductions. For more information about the library and our collections, please visit https://www.sciencehistory.org/othmer-library.