Letter
01 December 1931
Letters
SIRS,--In your issue for March, 1931 (Vol. XXIV., p. 302), you allowed me to give the results of some experiments with Rotter traps and to announce t h a t these traps could be obtained from Messrs. Ciceri & Co. Ltd., 39-43, Wharfdale Road, King's Cross, ...
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