English Mechanic and World of Science: With which are Incorporated "the Mechanic", "Scientific Opinion," and the "British and Foreign Mechanic.", Volume 53E. J. Kibblewhite, 1891 - Industrial arts |
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Page iv
... force of impact v . , 122 , 143 Deaf mutes , education of , 577 Death rate , mining , 857 Decimal weights and measures , 573 Decomposition of water , 101 , 121 Decoration , glacier window , 283 Dehydrating apparatus , 287 , Density ...
... force of impact v . , 122 , 143 Deaf mutes , education of , 577 Death rate , mining , 857 Decimal weights and measures , 573 Decomposition of water , 101 , 121 Decoration , glacier window , 283 Dehydrating apparatus , 287 , Density ...
Page v
... Force and energy , 157 of impact v . dead - weight , 122 physical , 247 , 502 Force - pump , packing for , 365 , 508 Foucault test , 389 , 411 Fountain : 35 parlour , 32 Frames , garden , 25 " F.R.A.S. , " letters by , 31 , 72 , 114 ...
... Force and energy , 157 of impact v . dead - weight , 122 physical , 247 , 502 Force - pump , packing for , 365 , 508 Foucault test , 389 , 411 Fountain : 35 parlour , 32 Frames , garden , 25 " F.R.A.S. , " letters by , 31 , 72 , 114 ...
Page vii
... force pump , 865 Paint , testing , 101 , 120 Painting : 108 lathe , 371 on zinc , 17 varnishing , and brushes , 59 Palladium plating , 101 Palms , ferns , & c . 485 lead , strength of , 387 Piston rings , 61 -versus long pistons , 340 ...
... force pump , 865 Paint , testing , 101 , 120 Painting : 108 lathe , 371 on zinc , 17 varnishing , and brushes , 59 Palladium plating , 101 Palms , ferns , & c . 485 lead , strength of , 387 Piston rings , 61 -versus long pistons , 340 ...
Page 12
... force with electricity is now fairly well established , for if a nerve is connected with a galvanometer at two points , and the part of the brain which acts upon that nerve is irritated , a deflection of the needle occurs . We have ...
... force with electricity is now fairly well established , for if a nerve is connected with a galvanometer at two points , and the part of the brain which acts upon that nerve is irritated , a deflection of the needle occurs . We have ...
Page 13
... force , as I find on looking at my calculations I have made a mistake . But to run a steel disc so as to give it a ... force , you cannot force much more than this number through , and as the E.M.F. of any dynamo depends first on the ...
... force , as I find on looking at my calculations I have made a mistake . But to run a steel disc so as to give it a ... force , you cannot force much more than this number through , and as the E.M.F. of any dynamo depends first on the ...
Contents
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Common terms and phrases
acid amateur ampères angle armature battery bell boiler bore BOTTONE brass carbon cells centre chuck circuit coil colour connected copper cutter cylinder diameter disc drill dynamo edge electric Enceladus engine ENGLISH MECHANIC Exchange field-magnets galvanometer give glass GLATTON Greenwich Mean groove harmonium heat hole inch instrument iron kindly lamp lathe Leclanché cells length letter light machine magnet means MECHANIC AND WORLD metal microscope moon motion motor observations obtained ohms ordinary paper patent Perseids photographic piece pipe placed plane plate pole position post free pressure Prof pulley querist query readers resistance revolutions per minute ring Safety Bicycle screw shown side silver slide solder solution speed spindle square star steam steel surface telescope thick thread tion tool tube turned valve volts wheels Wimshurst Machine wire wood zinc
Popular passages
Page 61 - In this way a wash is made which forms a silicate if often wetted, and becomes, after a time, almost like stone. The four constituents mixed together, give the ground color, to which any pigment that can be used with lime is added. It is applied quite thickly to the wall, or other surface, let dry one day, and the next day frequently covered with water, which makes it waterproof. This wash can be...
Page 55 - The total energy of any material system is a quantity which can neither be increased nor diminished by any action between the parts of the system, though it may be transformed into any of the forms of which energy is susceptible.
Page 155 - For any discovery, invention, or newly-devised method for obviating or materially diminishing any risk to life, limb, or health, incidental to any industrial occupation, and not previously capable of being so obviated or diminished by any known and practically available means.
Page 94 - He proposes to raise a vessel by means of metal balls, strong enough, when exhausted, to resist the pressure of the external air, but at the same time so thin as, in the same circumstances, to be lighter than their bulk of air.
Page 47 - On the motion of the President, the thanks of the Society were given to Dr.
Page 143 - To save silver, the ware can be first covered with a layer of tin ; 1 part cream of tartar is dissolved in 8 of boiling water, and one or more tin anodes are joined with the carbon pole of a Bunsen element. The zinc pole communicates with a well-cleaned piece of copper, and the battery is made to act till enough tin is deposited on the copper, when this is taken out and the ironware is put into its place. The ware thus covered with tin chemically pure and silvered, is much cheaper than any other...
Page 46 - Office 8 inch gauge is by some regarded as the best gauge for ordinary observers to whom cost is not a primary object, as it has all the good features of the Glaisher and of the Snowdon patterns, and, being of copper, is very durable. In mountainous districts, where the rainfall is heavy, and the gauges can be examined only periodically, gauges capable of holding 40 or 60 inches of rain must be used.
Page 103 - Edison's patent claimed, first, ' in an instrument for transmitting electric impulses by sound, a diaphragm or tympan of mica, substantially as set forth ; ' secondly, 'in an instrument for transmitting electric impulses by sound, the combination with a diaphragm or tympan of electric tension, regulators substantially as hereinbefore described, for varying the resistance in a closed circuit, substantially as set forth ; ' and, thirdly, he claimed the 'phonograph.
Page 103 - The transposition was made on an insulator for that purpose, first on one side of the line, and then on the other.
Page 22 - No packing is used to prevent upward leakage. All water which passes the screw when the tap is open enters the annular space E, and is drawn off into the bib through the eduction tube F, in which a current is induced by the velocity of the water...