Shaffner's Telegraph Companion, 1-2. sējumiPudney & Russell, 1854 |
No grāmatas satura
1.–5. rezultāts no 100.
27. lappuse
... wires buried in the earth ; but when it is found in the case of even a single line of telegraph in Prussia , that more than one hun- dred miles of wire which were buried in the earth - owing to their defective insulation , and the ...
... wires buried in the earth ; but when it is found in the case of even a single line of telegraph in Prussia , that more than one hun- dred miles of wire which were buried in the earth - owing to their defective insulation , and the ...
50. lappuse
... WIRE . — In the construction of Telegraph lines , a good quality of iron wire is more important than any other portion of material used . For the same reasons that required the copper wire to be taken down from the early lines , demand ...
... WIRE . — In the construction of Telegraph lines , a good quality of iron wire is more important than any other portion of material used . For the same reasons that required the copper wire to be taken down from the early lines , demand ...
67. lappuse
... wire would attract iron filings . Sturgeon conceived , that if a part of the Circuit wire were made to pass several times around a piece of iron , the same influence which moved the needle and iron filings , would pro- duce Magnetism in ...
... wire would attract iron filings . Sturgeon conceived , that if a part of the Circuit wire were made to pass several times around a piece of iron , the same influence which moved the needle and iron filings , would pro- duce Magnetism in ...
68. lappuse
... wire was removed and the trough attached directly to the ends of the wire surrounding the horse shoe , it lifted only 7 oz . From this experiment it appears , that the current from a galvanic trough is capable of producing greater ...
... wire was removed and the trough attached directly to the ends of the wire surrounding the horse shoe , it lifted only 7 oz . From this experiment it appears , that the current from a galvanic trough is capable of producing greater ...
69. lappuse
... wire , than when it passes only through the wire surrounding the magnet . " After attempting to account for a result so extraordinary and apparently so absurd , he adds , " but be this as it may , the fact that the magnetic action of a ...
... wire , than when it passes only through the wire surrounding the magnet . " After attempting to account for a result so extraordinary and apparently so absurd , he adds , " but be this as it may , the fact that the magnetic action of a ...
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Bieži izmantoti vārdi un frāzes
acid adopted American Telegraph Amos Kendall apparatus application arrangement art of printing battery cable coil Committee communication conductors connected construction Convention copper Court discovery distance effect eighth claim electric current Electric Telegraph Electric Telegraph Company Electro-Magnetic Telegraph escutcheon Europe experiments fact galvanic current Garter give graph Gutta Percha Henry's improvement inch independent circuit instrument insulated intelligence invention inventor iron letters letters patent lever line of telegraph machine machinery means ment miles mode motive power needle New-Orleans New-York nitric nitric acid O'Rielly ocean operation original paper pass patent plates porous cup practical present principle produced Prof Professor Morse proposed purpose receiving magnet Register result S. F. B. Morse SAMUEL F. B. MORSE scientific screw Secretary Shaffner specification submarine success sulphuric acid Tele Telegraph Company telegraph lines tion United wire zinc
Populāri fragmenti
145. lappuse - Office a written description of the same, and of the manner and process of making, constructing, compounding, and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art or science to which it appertains, or with which it is most nearly connected, to make, construct, compound, and use the same...
144. lappuse - Whoever discovers that a certain useful result will be produced in any art, machine, manufacture or composition of matter, bv the use of certain means, is entitled to a patent for it ; provided he specifies the means he uses in a manner so full and exact, that any one skilled in the science to which it appertains can, by using the means he specifies, without any addition to, or subtraction from, them, produce precisely the result he describes.
138. lappuse - Eighth. I do not propose to limit myself to the specific machinery or parts of machinery described in the foregoing specification and claims; the essence of my invention being the use of the motive power of the electric or galvanic current, which I call electro-magnetism, however developed for marking or printing intelligible characters, signs, or letters, at any distances, being a new application of that power of which I claim to be the first inventor or discoverer.
127. lappuse - ... and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same...
313. lappuse - Mr. Cooke is entitled to stand alone as the gentleman to whom this country is indebted for having practically introduced and carried out the electric telegraph as a useful undertaking, promising to be a work of national importance, and Professor Wheatstone is acknowledged as the scientific man, whose profound and successful researches had already prepared the public to receive it as a project capable of practical application...
152. lappuse - ... and the office of a proviso is either to except something from the enacting clause or to qualify or restrain its generality, or to exclude some ground of misinterpretation of it, as extending to cases not intended to be brought within its operation, but there are a great many examples where the distinction is disregarded and where the words are used as if they were of the same signification.
257. lappuse - The Committee on Science and the Arts, constituted by the Franklin Institute of the State of Pennsylvania for the promotion of the Mechanic Arts, to whom was referred for examination, two reflecting telescopes, made by Mr.
86. lappuse - And the torch of that blazing glory Old Lemnos caught on high, On its holy promontory, And sent it on, the jocund sign, To Athos, Mount of Jove divine. Wildly the while, it rose from the isle, .•So that the might of the...
100. lappuse - ... chief, azure; the escutcheon on the breast of the American eagle displayed proper, holding in his dexter talon an olive branch, and in his sinister a bundle of thirteen arrows, all proper, and in his beak a scroll, inscribed with this motto, "E Pluribus Unum.
36. lappuse - D'après le succès de cette expérience , on pourrait , au moyen d'autant de fils conducteurs et d'aiguilles aimantées qu'il ya de lettres , et en plaçant chaque lettre sur une aiguille différente , établir, à l'aide d'une pile placée loin de ces aiguilles...