Showing Collections: 1 - 10 of 14
Academy of Natural Sciences of Philadelphia, Division of Environmental Research Records
ANSP DER Patrick Center
Catherwood Diatometer, Foam Float
Catherwood Diatometer, Foam Float
In order to accurately determine the presence of pollution in fresh water, Ruth Patrick invented the diatometer, a device that accurately determines the presence of pollution in fresh water. This diatometer is made from plastic, metal, glass, and styrofoam. Six glass slides sit inside of the diatometer. A metal label on the bottom of the diatometer reads: Catherwood Diatometer, Biological Survey, Academy of Natural Sciences of Philadelphia, PA.
Catherwood Diatometer, Toilet Float
Charles W. Reimer Papers
The Charles W. Reimer papers include correspondence and memos, administrative records, policies, publication drafts, reports, illustrations, photographs, and objects related to the operations of the Academy of Natural Sciences, the Academy’s Diatom Herbarium, the international diatom community, and Reimer’s publications.
Marc Schoettie Painting of Dr. Ruth Patrick
Patrick Center. Photographs, 1933-2000, plus Ruth Patrick Centennial Celebration, 2007
PCER Reports
This collection contains PCER Reports that were collected from the Patrick Center in 2012.
Filtered By
- Names: Patrick, Ruth, 1907-2013 X
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- Diatoms 6
- Limnology 6
- Patrick Center for Environmental Research 3
- Clippings 2
- Correspondence 2
- Environmental science 2
- Reports 2
- Academy of Natural Sciences, Philadelphia 1
- Administrative records 1
- Annual reports 1
- Artifacts 1
- Black-and-white photographs 1
- Chalk Point Generating Station (Md) 1
- Data 1
- Ecology 1
- Estuarine ecology 1
- Field notes 1
- Financial records 1
- Groundwater-Pollution 1
- Manuals (Instructional materials) 1
- Minutes 1
- Natural history museums 1
- Negatives (photographic) 1
- Paintings, American 1
- Personnel records 1
- Photographic prints 1
- Photography 1
- Pollution 1
- Project files 1
- Publications 1
- Suitcase 1
- Women biologists 1 ∧ less
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- Academy of Natural Sciences of Philadelphia 1
- Academy of Natural Sciences of Philadelphia. Department of Limnology 1
- Benedict Estuarine Research Laboratory 1
- Dupont 1
- E.I. du Pont de Nemours & Company 1