Water and its purification : a handbook for the use of local authorities, sanitary officers, and others interested in water supply / by Samuel Rideal.

Date:
1902
Catalogue details

Licence: In copyright

Credit: Water and its purification : a handbook for the use of local authorities, sanitary officers, and others interested in water supply / by Samuel Rideal. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

    19/436
    LIST OF ILLUSTRATIONS. fig. page 1 Human Hair; Hair of Bat; Hair of Mouse ... 31 2 Epithelial Scales 31 3 Fibres of Wool, Cotton, Linen, and Silk .... 32 4 Muscular Fibre, partially digested 33 5 Substances found in Sewage-polluted Water ... 34 6 Hlustrations of Vegetable Impurities (also Plate I.) . . 34 7 Fragment of Straw 36 8 Pollen Granules 36 9 Starch Granules 37 10 Dapbnia pulex; Cyclops quadricornis ; Acarus (dead) . 38 11 Ciliate infusoria 41 12,13,14,15 Water Sediments under the Microscope 42, 43, 44, 45 16 Eggs of Parasitic Worms 47 17 Simple Still and Worm 60 18 Standard Bain-gaugo 65 19 Pickering’s Evaporomcter 68 20, 21, 22 Diagrams illustrating occurrence of Springs . 76, 79 23 Various forms of Divining Bod 84 21 Wells of different Depth due to a Fault .... 91 25 Section through London Basin, showing Line of Saturation 95 26 Artesian Wells 98 27 Driving a Tube-well 100 28 New extension of Vienna Beservoir . . . facing 138 29 Inverted Siphon for passing old Canal, Bear Biver, Utah „ 138 30 130-foot Plate-girder Flume over Malad Biver . . . 139 31 Equifex Water Heat-steriliser 163 32 Filtering Gallery at Lyons 195 33 Standard Pasteur-Chamberland Filter .... 205 34 Battery of Pressure Filters (English form). . . . 206 35 Pasteur-Chamberland Filter for Tablo Use. . . . 207