English Mechanic and World of Science: With which are Incorporated "the Mechanic", "Scientific Opinion," and the "British and Foreign Mechanic.", Band 15E. J. Kibblewhite, 1872 |
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Seite 10
... correspondent as in religion , the majority can see truth only within appears to think very highly of , as he asks the " de- their own wretched little " ism . " Be it so they may fenders of tobacco " to explain it . It is , that in 1838 ...
... correspondent as in religion , the majority can see truth only within appears to think very highly of , as he asks the " de- their own wretched little " ism . " Be it so they may fenders of tobacco " to explain it . It is , that in 1838 ...
Seite 17
... Correspondents are respect - be better for him to return the second swarm to the swarm twice , which they are not ... correspondent to read a very in- will allow , from which your pump may be driven ; link motion reversing gear is the ...
... Correspondents are respect - be better for him to return the second swarm to the swarm twice , which they are not ... correspondent to read a very in- will allow , from which your pump may be driven ; link motion reversing gear is the ...
Seite 24
... correspondent give me any practical hints about constructing Holtz's induction machine ? Would thin window glass do for the discs , or would vulcanite be an improvement ? What kind of paper is best for the armatures ? and whether , if ...
... correspondent give me any practical hints about constructing Holtz's induction machine ? Would thin window glass do for the discs , or would vulcanite be an improvement ? What kind of paper is best for the armatures ? and whether , if ...
Seite 25
... correspondents could publish some of their ex- periences upon the above subject , as proposed by " W. H. N. , " p . 632. Has any correspondent ever tried weights as a motive power ? if so , a description would be useful to others ...
... correspondents could publish some of their ex- periences upon the above subject , as proposed by " W. H. N. , " p . 632. Has any correspondent ever tried weights as a motive power ? if so , a description would be useful to others ...
Seite 36
... correspondents . As " E. J. D. " has now addressed his query to " F.R.A.S. , " whom he rightly describes as your very clever correspondent , he is almost certain of an ex- planatory response , while I look forward , not unhopefully , to ...
... correspondents . As " E. J. D. " has now addressed his query to " F.R.A.S. , " whom he rightly describes as your very clever correspondent , he is almost certain of an ex- planatory response , while I look forward , not unhopefully , to ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acid ammonia answer apparatus appear astronomical atoms Beacon Lough boiler boiling bottom carbon carbonic acid cause centre chloric acid chlorine chuck colour construction contains copper correspondent cylinder decimal decimalise dentine diameter electric engine ENGLISH MECHANIC equal experiments fixed furnace give glass hammer heat hole hydrochloric acid hydrogen improvements inch iron lathe length letter light machine mandril matter means ment metal method metric system motion Nautical Almanac observed obtained odontoblasts ordinary oxide oxygen paper perchloric acid piece pipe plate potash present pressure produced puddling furnace pulley quantity query question rays readers reply result satellite screw side solution square star steam steel strata sulphur sulphuric acid surface temperature thick tion tube valve varnish velocity weight wheel wire wood zinc
Beliebte Passagen
Seite 60 - Wherefore I perceive that there is nothing better, than that a man should rejoice in his own works; for that is his portion: for who shall bring him to see what shall be after him?
Seite 25 - Constant of an engine is found by multiplying the area of the piston in square inches by the speed of the piston in feet per minute and dividing the product by 33,000. It is the power the engine would develop with one pound mean effective pressure. To find the horse-power of the engine, multiply the MEP of the diagram by this constant.
Seite 6 - Moor being directly attributable to the presence of the gas-pipe in proximity to the conductor. Nor would there have been any danger from fire by the ignition of the gas if all the pipes used in the interior of the buildings had been made of iron or brass instead of lead ; for all the cases of the ignition of gas by lightning which have come under my observation have been brought about by the fusion of lead pipes in the line of discharge. The substitution of brass and iron, wherever lead is used...
Seite 23 - 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 89 - ... or fungus life. The first class contains only two substances, carbolic and cresylic acids. In the second class, also, there are only two compounds, chloride of zinc and bichloride of mercury. In the third class there are five substances, lime, sulphate of quinine, pepper, turpentine, and prussic acid. In the fourth class is included the remaining twentyfive substances. The acids, while not preventing the production of vibrio life, have a marked tendency to promote the growth of fungus life.
Seite 77 - When the bottle or decanter has grown warm, gently strike the stopper on one side, and then on the other, with any light wooden instrument ; then try it with the hand : if it will not yet move, place it again before the fire, adding another drop of oil.
Seite 51 - The ether will only dissolve a certain amount of the glue : consequently, the solution cannot be made too thick. The glue thus made is about the consistency of molasses, and is doubly as tenacious as that made with hot water. If a few bits of indiarubber, cut into scraps the size of...
Seite 150 - No question asking for educational or scientific information is answered through the post. 6. Letters sent to correspondents, under cover to the Editor, are not forwarded, and the names of correspondents are not given to inqnirers.
Seite 90 - ... vibrios immediately, and completely prevented their regaining it during the time the experiments were conducted : — Cresylic acid. The second class contains those compounds which nearly destroyed the locomotive power of all the vibrios present when added, and afterwards only one or two could be seen swimming about in each field : — Carbolic acid, sulphate of quinine, chloride of zinc, and sulphuric acid. The third class are those which acted injuriously on the vibrios on their addition, leaving...
Seite 99 - Letters sent to correspondents, under cover to the Editor, are not forwarded, and the names of correspondents are not given to Inquirers. •«• Attention Is especially drawn to hint No. 4. Th...