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Bonebakker, J.W. (author)
journal article 1951
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Kluyver, A.J. (author), Visser, J. (author)
1. A method has been developed for testing the filtration efficiency of some filter materials. For each of the materials investigated — cotton wool, stillite and carbon — a suitable filter has been devised. 2. The filtered air was analyzed as to its germ content with the aid of a set of 3 capillary impingers. 3. The cotton wool filter gave on...
journal article 1950
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Schepers, J.A. (author)
journal article 1950
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journal article 1950
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Lammeren, W.P.A (author)
journal article 1950
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Balhan, J. (author)
journal article 1950
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de Groot, D. (author)
journal article 1950
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Helm, Kurt (author)
journal article 1950
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Gilmore, F.R. (author)
journal article 1950
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Stout, Ernest G. (author)
journal article 1950
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Birkhoff, G. (author), Plesset, M. (author), Simmons, N. (author)
journal article 1950
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Jaeger, H.E. (author)
journal article 1950
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Trilling, Leon (author)
journal article 1950
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Epstein, F.S. (author)
journal article 1950
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de Groot, D. (author)
journal article 1949
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Lammeren, W.P.A (author)
journal article 1949
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Pope, Alan (author)
journal article 1949
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van Aken, J.A. (author), Stolmeyer, H. (author)
journal article 1949
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Helm, Kurt (author)
journal article 1949
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Kempf, Günther (author)
journal article 1949
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