The Separate System of Sewerage: Its Theory and ConstructionD. Van Nostrand Company, 1891 - 281 Seiten |
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Seite 21
... cent . of the whole population . The cases of fever were pretty evenly dis- tributed among the families in the village , with the exception of six . As the six families which escaped did not use water from the spring , suspicions were ...
... cent . of the whole population . The cases of fever were pretty evenly dis- tributed among the families in the village , with the exception of six . As the six families which escaped did not use water from the spring , suspicions were ...
Seite 28
... cent . Reduction of typhoid fever , rate per cent . D W X D N W 32 40 17 22 64 17 20 48 31 18 60 II 32 36 32 20 75 49 " At Dantzic the deaths from enteric fever per 100,000 living were as follows : From 1865 to 1869 , before any ...
... cent . Reduction of typhoid fever , rate per cent . D W X D N W 32 40 17 22 64 17 20 48 31 18 60 II 32 36 32 20 75 49 " At Dantzic the deaths from enteric fever per 100,000 living were as follows : From 1865 to 1869 , before any ...
Seite 42
... cent in the summer warmth , breeding disease which superstitious ignorance attributes to Heaven . A householder may dispense with his parlor and its adornments , if necessary , but he cannot afford to invite upon himself and fam- ily ...
... cent in the summer warmth , breeding disease which superstitious ignorance attributes to Heaven . A householder may dispense with his parlor and its adornments , if necessary , but he cannot afford to invite upon himself and fam- ily ...
Seite 50
... cents to $ 2.00 per foot . It is safe to say that under ordinary circumstances its cost will be from one - eighth to one - third of that of the Combined System . Mr. W. J. McAlpine estimated the cost of a Combined System for the city of ...
... cents to $ 2.00 per foot . It is safe to say that under ordinary circumstances its cost will be from one - eighth to one - third of that of the Combined System . Mr. W. J. McAlpine estimated the cost of a Combined System for the city of ...
Seite 52
... cent . , or from one- thirtieth up to nearly one - third of the total population . The increase has been quite regular from the beginning up to 1880 , while from 1880 to 1890 it has made a leap from 22.57 up to 29.12 per cent . , thus ...
... cent . , or from one- thirtieth up to nearly one - third of the total population . The increase has been quite regular from the beginning up to 1880 , while from 1880 to 1890 it has made a leap from 22.57 up to 29.12 per cent . , thus ...
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Häufige Begriffe und Wortgruppen
acre per day ammonias amount applied assessing average back-filling bacteria branches brick sewers cement mortar cent City clean Combined System connected construction consumption contractor cost cubic curve depth of flow discharge drainage effluent Engineer excavation and back feet per minute filled filtration fixtures flush-tanks flushing foot for furnishing furnishing and laying gallons grade house drains house sewer inches inches in diameter increased iron pipe joints laid lamp-holes less lineal foot man-holes material maximum method necessary nitrates nitric acid nitrification nitrogen obstructions organic matter outlet oxidation placed plumbing plumbing fixtures population Price per lineal proper quantity removed roof water sand sanitary Schenectady Separate System sewage sewer gas sewer pipe sewerage soil pipe storm water stream street sewer subsoil Superintendent surface syphon system of sewers TABLE tank tion trap trench typhoid fever velocity ventilating pipes water closets water-closet ΙΟ
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Seite 217 - ... then the above obligation to be void ; otherwise to remain in full force and virtue.
Seite vii - PREFACE TO THE SECOND EDITION The first edition of this book was...
Seite 151 - ... for or on account of any injuries or damages received or sustained by any person or persons, by or from the said contractor, his servants or agents, in the construction of said work...
Seite 152 - Stevenson or to his certain attorney, heirs, executors, administrators, or assigns, to which payment well and truly to be made we bind ourselves, our heirs, executors, and administrators, and each and every of them, firmly by these presents. Sealed with our seals, and dated this 20th day of December, one thousand eight hundred and ninety.
Seite 215 - ... be deemed guilty of a misdemeanor, and upon conviction thereof be fined in any sum not exceeding fifty dollars.
Seite 151 - ... of said work, or by or in consequence of any negligence in guarding the same...
Seite 152 - KNOW all Men by these Presents, That we, are held and firmly bound unto our...
Seite 140 - NOW, THEREFORE, In consideration of the payments and covenants hereinafter mentioned, to be made and performed by said...