Further reports (no. 3) on flies as carriers of infection.

Date:
1910
Catalogue details

Licence: Public Domain Mark

Credit: Further reports (no. 3) on flies as carriers of infection. Source: Wellcome Collection.

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    Fic. 1.—Glass cage in which infected flies were kept, consisting of a glass cylinder 9 x 3 inches, covered with gauze at one end and open at the other. (% nat. size.) Fig. 2.—Glass cage with apparatus, through which to extract flies, in place. The latter consists of a board in which a round hole slightly larger than the diameter of the cage had been cut and lined with cloth so as to grip the sides of the cage. On to the cloth gauze was sewn to form a conical bag open at the free end. (4 nat. size.) Fig. 3.—Gauze bag in which normal stock flies were kept. Note the sleeve at the side through which the flies were extracted. (% nat. size.) 16659
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