An introduction to the bacteriological examination of water / by W.H. Horrocks.

  • Horrocks, W. H. (William Heaton), Sir, 1859-
Date:
1901
Catalogue details

Licence: In copyright

Credit: An introduction to the bacteriological examination of water / by W.H. Horrocks. Source: Wellcome Collection.

    13/356 (page 7)
    CONTENTS CHAPTER 1. PAGE Introductory ........ 1 Collection of Water for B.acteriological Examination . 4 CHAPTER II. Quantitative Bacteriological Analysis .... 7 Preparation of “ Water Plates ” ,t) CHAPTER III. The Multiplication of Micro-Organisms in Water . . 12 The Influence of Light on Micro-Organisms . . .14 The Influence of Movement .and Rest on Micro-Organisms 17 The Sediment.ation of Micro-Organisms . . . .18 The Duration of Life of Micro-Org.anisms . . .21 The Influence of the Chemical Composition of a Water ON THE Number of Micro-Organisms . . . .22 The Action of Electricity on Bacteria .... 24 CHAPTER IV. The Bacterial Contents of the Various Sources of Supply 26 The Relation of the Results of a Quantit.ative Analysis TO THE Question of Pollution . . . . . .80 CHAPTER V. 'I'liE Relation of the Quantitative Analysis to Filtr.ation OF Water through Sand ...... 33