Showing Collections: 1 - 9 of 9
Academy of Natural Sciences of Philadelphia, Division of Environmental Research Records
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.
Charles W. Reimer's B&L Microscope Case
This collection contains Charles W. Reimer's B&L microscope case. The actual microscope is not inside.
Diatom Herbarium Records
Plates for The Diatoms of the United States Exclusive of Alaska and Hawaii
This collection contains the plates that were used in The Diatoms of the United States Exclusive of Alaska and Hawaii (1975), illustrated by Su-Ing Yong.
Filtered By
- Subject: Diatoms X
Filter Results
Additional filters:
- Subject
- Limnology 3
- Administrative records 1
- Annual reports 1
- Black-and-white photographs 1
- Catalogues 1
- Chalk Point Generating Station (Md) 1
- Clippings 1
- Correspondence 1
- Data 1
- Ecology 1
- Estuarine ecology 1
- Field notes 1
- Financial records 1
- Information Storage and Retrieval 1
- Manuals (Instructional materials) 1
- Microscopes 1
- Minutes 1
- Natural history museums 1
- Negatives (photographic) 1
- Patrick Center for Environmental Research 1
- Personnel records 1
- Photographic prints 1
- Pollution 1
- Project files 1
- Publications 1
- Reports 1
- Science -- Biological sciences 1
- Scientific illustrations 1 ∧ less
- Names
- Patrick, Ruth, 1907-2013 6
- Reimer, Charles W. 2
- Academy of Natural Sciences of Philadelphia 1
- Academy of Natural Sciences of Philadelphia. Department of Limnology 1
- Benedict Estuarine Research Laboratory 1