Abstract
OCCASIONALLY, while working with the Blackman-Bolas pump as modified by Leach1, the apparatus ceases to work owing to the valve on the float side not functioning properly. All pumps, whether prepared in the laboratory or obtained from the manufacturers, behaved similarly, and their action was neither so uniform as one would desire it to be, nor could the rate of flow of air be regulated within sufficiently wide limits.
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References
New Phytologist, 29, 285; 1930.
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FAZAL-UD-DIN, MANGAT, S. A Modification of the Gas Circulating Pump. Nature 134, 104–105 (1934). https://doi.org/10.1038/134104c0
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DOI: https://doi.org/10.1038/134104c0
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