ide soil and more economical not to filter the entire vent pipes and traps, to instal water- closets with cistern flush, what is to supply for a city, but to leave the puri- prevent their going a step further and fication of part of it to the individual requiring drinking water to be filtered ?… … pletely finished within three months countries, namely, Great Britain and Ger- from the date of the contract. Messrs. Charles Mitchell & Co., the many." Though this builders of that vessel, — the Hooper, — may be so, it by no were enabled to accomplish that feat in means follows that the ship…
Engineering
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