Pumping Speed, Box: 76, Folder: F476. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections.
Cite Item Description
Pumping Speed, Box: 76, Folder: F476. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/90816 Accessed September 14, 2024.
