Calf vaccination in Prussia / by W. J. Simpson.

  • Simpson, W. J.
Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: Calf vaccination in Prussia / by W. J. Simpson. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    ( « ) Berlin. It consists of four porcelain rollers which are fixed to a small turning macliine, and so arranged that whatever passes between them when they are working is thoroughly mixed and is collected in a small vessel below. The diagram shows the lymph mill. The cost of the mill is M. 100. The thicker portion of vaccine is put through the mill first, and then the remainder of the water and the glycerine. After use the mill is thoroughly cleaned with hot water, and the porcelain rollers are kept in corrosive sublimate solution until next required. Lymph Mill. The glycerinised lymph, having been collected in the fiask ])laced below the lymph mill, is put into small sterilised bottles of 50 com. capacity.