A manual of bacteriology, clinical and applied / by Richard T. Hewlett.

  • Hewlett, R. Tanner (Richard Tanner), 1865-1940.
Date:
1898
Catalogue details

Licence: Public Domain Mark

Credit: A manual of bacteriology, clinical and applied / by Richard T. Hewlett. Source: Wellcome Collection.

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    / MAKERS OF APPARATUS 425 tuberculosis. Yeast nuclein, perhaps the best preparation, is obtained by thoroughly washing yeast by decantation and sedimentation, then digesting with pepsin and dilute hydrochloric acid. The undissolved residue is the nuclein, which is further purified by repeated solution in dilute alkali and precipitation by dilute acid. (See also p. 120.) De Backer's Method. Said to be of service in tuberculosis and cancer. It consists of a pure culture of yeast, which is stored under pressure in glass vessels, like syphons, provided with a hollow needle. The exact mode of preparation does not seem to be public.1 IV.—MAKERS OP APPARATUS, &c. Microscopes. Messrs. Baker & Co., High Holborn, W.C. Messrs. Powell & Lealand, Euston Road, N.W. (lenses). Messrs. Swift & Son, Tottenham Court Road, W.C. Messrs. Watson & Son, High Holborn, W.C. Messrs. Leitz ; Agency—Messrs. Baker & Co. Messrs. Winkel, Gottingen, Germany. Messrs. Carl Zeiss ; Agency—Margaret Street, W. Incubators. Messrs. Baird & Tatlock, Cross Street, Hatton Garden, E.C. Messrs. Hearson & Co., Regent Street, W. Stains, Cover-glasses, Slides, Sc. Messrs. Baird & Tatlock. \ Mr. Kanthack, Berners Street, W- L Agents for Grubler's Stains. Messrs. Baker & Co. Reagents, Chemicals, Apparatus, Sc. Messrs. Baird & Tatlock. Mr. Kanthack. Messrs. Townson & Mercer, Bishopsgate Street, E.C.