View Original: | Slide rule made for Davidson Catalysts, Aristo Darmstadt Nr. 867U, mid 1900s - National Electronics Museum - DSC00083.JPG (4428x1470) | |||
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Keywords: Slide rule made for Davidson Catalysts, Aristo Darmstadt Nr. 867U, mid 1900s - National Electronics Museum - DSC00083.JPG en Exhibit in the National Electronics Museum 1745 West Nursery Road Linthicum Maryland USA All items in this museum are unclassified The museum permitted photography without restriction 2014-07-21 14 25 20 own Daderot cc-zero Uploaded with UploadWizard Miscellany in the National Electronics Museum Aristo slide rule |