The Chemical Trade Journal, Volumen2Davis, 1888 |
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Página 3
... engine or other motor . In the laboratory there is often the want of a small motor for keeping substances undergoing chemical change in motion , either by agitation , pumping , or other methods - an electro motor is easily adapted to ...
... engine or other motor . In the laboratory there is often the want of a small motor for keeping substances undergoing chemical change in motion , either by agitation , pumping , or other methods - an electro motor is easily adapted to ...
Página 7
... engine may be run against its full load at the expense of two gallons of coal - tar per hour , or 22 4lb . as as against 160lb . of coal if burned under boilers in the ordinary way , an efficiency at least seven times as great as in the ...
... engine may be run against its full load at the expense of two gallons of coal - tar per hour , or 22 4lb . as as against 160lb . of coal if burned under boilers in the ordinary way , an efficiency at least seven times as great as in the ...
Página 8
... engine , but whilst the first engine gave only 297 horse - power from a consumption of two gallons of coal - tar per hour , the new engine gives at least 35 indicated horse - power from the same consumption of fuel . The construction of ...
... engine , but whilst the first engine gave only 297 horse - power from a consumption of two gallons of coal - tar per hour , the new engine gives at least 35 indicated horse - power from the same consumption of fuel . The construction of ...
Página 9
... engine at Widnes . The thermal problem thus solved was not sufficient to produce a practical engine . It was necessary to keep the rubbing surfaces of the piston packing rings , the valves and their glands and packings at reasonably low ...
... engine at Widnes . The thermal problem thus solved was not sufficient to produce a practical engine . It was necessary to keep the rubbing surfaces of the piston packing rings , the valves and their glands and packings at reasonably low ...
Página 13
... Engines . J. H. Knight . 17638. Dec. 22 , 1887 . Purifying Water . A. H. Hobson and C. H. Rosher . 17650. Dec 22 ... Engines . G. W. Weatherhogg . 17738. Dec. 24 , 1887 . Petroleum Engines . T. C. Hogg . 17744. Dec. 24 , 1887 ...
... Engines . J. H. Knight . 17638. Dec. 22 , 1887 . Purifying Water . A. H. Hobson and C. H. Rosher . 17650. Dec 22 ... Engines . G. W. Weatherhogg . 17738. Dec. 24 , 1887 . Petroleum Engines . T. C. Hogg . 17744. Dec. 24 , 1887 ...
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Acetate alkali alum alumina ammonia anhydrous Aniline anthracene Antwerp Apparatus April Aston barium Barytes Bichromate bleaching powder boiler brls Carbolic Acid Carbonate Caustic Soda cent Chemical Trade Journal chemist chemistry chlorate of potash Chloride coal colour COMPANY LIMITED.-Capital copper crude dividend engine experiments gallon Germany Glasgow Hamburg heat hydrated peroxide hydrogen industry invention iron Justice Kekewich kilos Lamps less lime liquid Liverpool London Lord Lordship lump Manchester manganese manganic manganite manufacturers Manure March matter Messrs metal mineral Moulton Muriate Naphtha Nitrate nitric obtained oxide oxidised oxygen paraffin patent peroxide of manganese Peter Spence pkgs present production pure Pyrites quantity question result Rotterdam salt shares Soda-ash Sodium solution Spence sugar Sulphate sulphate of ammonia Sulphocyanide sulphuric acid tion tons Tyne week Weldon mud Zinc ΙΟ
Pasajes populares
Página 86 - A little learning is a dangerous thing; Drink deep, or taste not the Pierian spring: There shallow draughts intoxicate the brain. And drinking largely sobers us again.
Página 307 - No broker, • agent, or other person shall have any legal claim to any charge for brokerage, commission, or agency, with reference to the sale or purchase of any stock or marketable security of the value of five pounds or upwards mentioned or referred to in any contract note, unless such note is duly stamped.
Página 274 - ... advanced in value or condition by refining or grinding, or by other process of manufacture, and not specially provided for in this act, ten per centum ad valorem.
Página 274 - That, from and after the third day of March, one thousand eight hundred and thirty -three, in lieu of the duties now imposed by law, on the importation of the articles hereinafter mentioned, there shall be levied, collected, and paid, the following duties, that is to say...
Página 307 - the term ' foreign security' means and includes every security for money by or on behalf of any foreign or colonial...
Página 274 - ... sale, by any person or persons whatever, wherein the person making or preparing the same has, or claims to have, any...
Página 275 - Porcelain and Bohemian glass, chemical glassware, painted glassware, stained glass, and all other manufactures of glass or of which glass shall be the component material of chief value, not specially enumerated or provided for in this act, .forty-five per centum ad valorem.
Página 275 - Lead dross, lead bullion or base bullion, lead in pigs and bars, lead in any form not specially provided for in this...
Página 274 - All preparations known as essential oils, expressed oils, distilled oils, rendered oils, alkalies, alkaloids and all combinations of any of the foregoing, and all chemical compounds and salts, by whatever name known, and not specially enumerated or provided for in this act, twenty-five per centum ad valorem.
Página 68 - Every patent shall be dated and sealed as of the day of the application : Provided that no proceedings shall be taken in respect of an infringement committed before the publication of the complete specification : Provided also, that in case of more than one application for a patent for the same invention, the sealing of a patent on one of those applications shall not prevent the sealing of a patent on an earlier application.