A guide to the microscopical examination of drinking water ..

J. D Macdonald

Description

A GUIDE TO THE MICROSCOPICAL EXAMINATION OF DRINKING WATER LONDOK: BDWABDSiTILt,, AND CHAKD03CO., PBINTEES, STEBET COVENT OABDEW. TO SIR ALEXANDER F.R.S.ARMSTRONG, K.C.B., LLD., ETC. ETCl ETC. DIRECTOR-GENERAL OF THE MEDICAL DEPARTMENT OF THB NAVY, THEWHOSE NAME IS ESPECIALLY ASSOCIATED WITH CULTIVATION OP THE SCIENCE OF HYGIENE IN HER MAJESTY'S NAVAL SERVICE, WITH FEELINGS OF RESPECT AND ESTEEM, BY HIS MOST OBEDIENT SERVANT, THE AUTHOR. PREFACE. OFFICERS OF as well as Naval and MedicalHEALTH, Military have often to determine the nature of theOfficers,, suspended matters in water used for In an ofdrinking. Hygienic point the of theseview, matters must withimport suspended vary their whether or vital.properties, mechanical, chemical, Mineral affect on account of theirparticles may health, mechanical as for when mineral silt of oraction, example, clay, fine sand causes diarrhoea. Dead animal and sub-vegetable stances have more wheneffects, as,may important suspended faecal matter irritation of the whole tract.produces alimentary On the other such as the ova ofhand, living things, Entozoa, the nematoid and small leeches rise at once toworms, may give certain or act on and dis-grave disorders, Algse may sulphates, There numerousengage sulphuretted hydrogen.

Sujets

• Water
• Analysis

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 7
• Langue: English
• Poids de l'ouvrage: 10 Mo

Extrait

A GUIDE
TO THE
MICROSCOPICAL EXAMINATION
OF
DRINKING WATERLONDOK:
BDWABDSiTILt,, AND CHAKD03CO., PBINTEES, STEBET
COVENT OABDEW.TO
SIR ALEXANDER F.R.S.ARMSTRONG, K.C.B., LLD.,
ETC. ETCl ETC.
DIRECTOR-GENERAL OF THE MEDICAL DEPARTMENT OF THB NAVY,
THEWHOSE NAME IS ESPECIALLY ASSOCIATED WITH CULTIVATION OP
THE SCIENCE OF HYGIENE IN HER MAJESTY'S NAVAL SERVICE,
WITH FEELINGS OF RESPECT AND ESTEEM,
BY HIS MOST OBEDIENT SERVANT,
THE AUTHOR.