http://gallery.obs-vlfr.fr/gallery2/main.php http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/CrvHassall1850MicroscExamWaterSupplInhabLondon-1.jpg.html 105495 Cover of Hassall's 1850 study http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassall1850Plate1.jpg.html 105498 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassall1850Plate2.jpg.html 105501 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassal1850Plate3.jpg.html 105504 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassall1850Plate4.jpg.html 105507 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassal1850Plate5.jpg.html 105510 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassall1850Plate6.jpg.html 105513 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/CvrHassall1855.jpg.html 105243 The title page of Hassall's 1855 book. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig24.jpg.html 105247 Thames River water at Richmond http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig25.jpg.html 105250 Thames River water at Waterloo Bridge http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig26.jpg.html 105253 London water supplied by the Grand Junction Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig27.jpg.html 105256 London water supplied by the West Middlesex Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig28.jpg.html 105259 London water supplied by the Chelsea Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig29.jpg.html 105262 London water supplied by the Southwalk and Vauxhall Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig30.jpg.html 105265 London water supplied by the Lambeth Company containing the Thames Paramecium. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig31.jpg.html 105268 London water supplied by the East London Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig32.jpg.html 105271 London water supplied by the New River Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig33.jpg.html 105274 London water supplied by the Hampstead Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Fig34.jpg.html 105277 London water supplied by the Kent Company http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/LondonWaterDropPunch1850V18p188.jpg.html 105489 Hassall's drawings inspired the satirical magazine Punch http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Hassal1855TitlePg.jpg.html 105555 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Plate1.jpg.html 105558 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Platexii.jpg.html 105633 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/Platexi.jpg.html 105630 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/LondonWater/PlateX.jpg.html 105627