Media type: E-Article Title: Multipoint Recording with a Pen Recorder Applied to Magnetic Measurements Contributor: Allred, H. M. imprint: AIP Publishing, 1948 Published in: Review of Scientific Instruments Language: English DOI: 10.1063/1.1741170 ISSN: 0034-6748; 1089-7623 Keywords: Instrumentation Origination: Footnote: