Journal of the Franklin Institute, Band 159,Ausgaben 949-954Pergamon Press, 1905 |
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Seite 2
... means for the hygienic disposal of filth ; and when the sixth city of the land is riddled - under buildings as well as under yards and streets - with cesspools , whose overflow babbles noisily and noisomely in the street gutters ? But ...
... means for the hygienic disposal of filth ; and when the sixth city of the land is riddled - under buildings as well as under yards and streets - with cesspools , whose overflow babbles noisily and noisomely in the street gutters ? But ...
Seite 6
... means which nature has provided for the demolition of dead animal and vege- table tissue and the preparation of plant food . Bacteria , as we all know , are minute living organisms , invisible as individuals , yet so numerous and so ...
... means which nature has provided for the demolition of dead animal and vege- table tissue and the preparation of plant food . Bacteria , as we all know , are minute living organisms , invisible as individuals , yet so numerous and so ...
Seite 12
... means of treating the solids of sewage . Moreover , if properly controlled , the process is an admirable prepara- tion for the subsequent oxidation of the dissolved impurities in aerated filters . In its simplest form the septic tank ...
... means of treating the solids of sewage . Moreover , if properly controlled , the process is an admirable prepara- tion for the subsequent oxidation of the dissolved impurities in aerated filters . In its simplest form the septic tank ...
Seite 13
... means . It still contains practically all its original dissolved impurities , though their organic structure has been so shaken and loosened that subsequent purification by any of the processes already described is easy . Realizing that ...
... means . It still contains practically all its original dissolved impurities , though their organic structure has been so shaken and loosened that subsequent purification by any of the processes already described is easy . Realizing that ...
Seite 14
... mean friction , wear , frequent inspection and attention and eventual renewal . Better , in my judgment , is distribution by means of siphons , airlocks and kindred devices , which consist solely of castings and piping firmly built into ...
... mean friction , wear , frequent inspection and attention and eventual renewal . Better , in my judgment , is distribution by means of siphons , airlocks and kindred devices , which consist solely of castings and piping firmly built into ...
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acid American apparatus application arch atoms award bifocal blast blast furnace boiler brick buckets capacity carbon cast iron cent Chairman chemical chloride CLIX coal coil COLEMAN SELLERS color combustion Committee on Science condensing construction cost diameter electric experiments fact feet fibre fire flow FRANKLIN INSTITUTE furnace gallons per day gallons per minute gases glass Graham's law heat hydrochloric acid hydrogen illustrated inches insulation invention John Scott Legacy Laval leakage lens less LIVING AGE machine Machinery manufacture material mechanical memoirs metal method molecules nozzle operation Patent Phila Philadelphia PHOSPHOR BRONZE pipe PLATE pounds pressure Prof pump quantity radium reciprocating engine Secretary Shaft speed steam turbine steel STEPHEN GIRARD Street sulphur sulphuric acid sump telephone temperature tion Torresdale Torresdale Conduit tube tunnel United valve volume WAHL wheel William Sellers wire wool York
Beliebte Passagen
Seite 160 - THE BOYDEN PREMIUM URIAH A. BOYDEN, ESQ., of Boston, Mass., has deposited with THE FRANKLIN INSTITUTE the sum of one thousand dollars, to be awarded as a premium to "Any resident of North America who shall determine by experiment whether all rays of light,* and other physical rays, are or are not transmitted with the same velocity.
Seite 60 - any person who has invented or discovered any new and useful art, machine, manufacture or composition of matter, or any new and useful improvement thereof, not known or used by others in this country, and not patented or described in any printed publication in this or any foreign country, before his invention or discovery thereof...
Seite 54 - ... any manner of new manufactures within this realm to the true and first inventor and inventors of such manufactures, which others at the time of making such Letters...
Seite 240 - INSTITUTE whether, in their opinion, any, and, if so. which of the memoirs is worthy of the Premium. And. on their report, THE FRANKLIN INSTITUTE shall decide whether the Premium shall be awarded as recommended by the Judge*.
Seite 60 - ... country, before his invention or discovery thereof, and not patented or described in any printed publication in this or any foreign country, before his invention or discovery thereof...
Seite 53 - I will show you how the judges have heretofore allowed of monopoly patents, which is, that where any man by his own charge and industry or by his own wit or invention doth bring any new trade into the realm, or any engine tending to the furtherance of a trade that never was used before — and that for the good of the realm...
Seite 54 - ... and grants shall not use, so as also they be not contrary to the law nor mischievous to the state, by raising prices of commodities at home, or hurt of trade, or generally inconvenient, the said fourteen years to be accounted from the date of the first letters...
Seite 61 - ... in public use or on sale in the United States for more than two years prior to this application...
Seite 366 - Society representing the American Society of Civil Engineers, the American Society of Mechanical Engineers, the American Institute of Electrical Engineers, and the American Institute of Mining...
Seite xiii - INSURANCE Against Loss or Damage to Property and Loss of Life and injury to Persons Caused by STEAM BOILER EXPLOSIONS JM ALLEN, President.