Reports made to the directors of the London (Watford) Spring Water Company, on the results of microscopical examinations of the organic matters and solid contents of waters supplied from the Thames and other sources / by Edwin Lankester and Peter Redfern ; together with a chemical report on the quality of various specimens of water from chalk springs near Watford, by Thomas Clark and John Smith.
- London (Watford) Spring-Water Company
- Date:
- 1852
Licence: Public Domain Mark
Credit: Reports made to the directors of the London (Watford) Spring Water Company, on the results of microscopical examinations of the organic matters and solid contents of waters supplied from the Thames and other sources / by Edwin Lankester and Peter Redfern ; together with a chemical report on the quality of various specimens of water from chalk springs near Watford, by Thomas Clark and John Smith. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
24/68 (page 12)
![But few of the true insects in'^their'perfect state are found in the filtered waters supplied for use in Lon- . : ^'Toonn ^0 uO figoqob gt;:-:j8fii gno'iojq' orii lii ' 9tl hddofnd brin 8h ,i>q to gfigoqob -do gjfujiq 9 (■'(bM) dtnora 9'IOW eSfUBllT '19 dt dtiw baiav 8 .•'(ft llcmg y;IiaB9 8'^B7dr»gt2>i;-4Cfva]df»'Tr;) amo3 -itiB to grn'i^ li • gnigrrofad bIp. ,89bil9fmA to doaal 9flt -179 91IjiB9I9 8idt ot b atfl i((f - oridiV»JffW? latBW to namioaq 8T^Bw1b OfB 8 Gf .Si7 19VI SBV ,giinBi/ijR oh .aiaJaifiBiL 001 ni if[989Tq ..rcoitBniuiBxa oi -bfindB tgoteaig rri r JaodoBid buB tsaipnfj /i figoqab Tig. 20.—Cyclops qnanncornis (female), ^ Oiij rfijBiag>)ifie(lA0»4i»«iet^8{j 919flw 8 tu 9ici8 B fii s'lattBin oincgio to \ Ofli to 90108 oldmosai tsBl bonoijoam ^;x^,j^oriis g'nuoi gfiilidjulfd biujot amiow lo](https://iiif.wellcomecollection.org/image/b22345139_0024.jp2/full/800%2C/0/default.jpg)