Annual of scientific discovery. 1855Gould and Lincoln, 1855 |
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Pagina 6
... wire , and its declination on a single bisection . This being the case , astronomers have begun to feel the necessity of using the catalogue places of stars provisionally , in reducing their observations , and of obtaining afterwards ...
... wire , and its declination on a single bisection . This being the case , astronomers have begun to feel the necessity of using the catalogue places of stars provisionally , in reducing their observations , and of obtaining afterwards ...
Pagina 36
... wire cage , for the sake of protection from blows . To graduate this apparatus , I let it down in a known depth of water , say ten fathoms , and having observed the point to which the ring in the glass tube is pushed , and having marked ...
... wire cage , for the sake of protection from blows . To graduate this apparatus , I let it down in a known depth of water , say ten fathoms , and having observed the point to which the ring in the glass tube is pushed , and having marked ...
Pagina 40
... wire , which passes under the cars , and is joined to bells which can be set ringing whenever the attention of the brakemen or conductors is required . The great merit of this in- vention lies in its simplicity and rapidity of action ...
... wire , which passes under the cars , and is joined to bells which can be set ringing whenever the attention of the brakemen or conductors is required . The great merit of this in- vention lies in its simplicity and rapidity of action ...
Pagina 51
... wire is suspended from the upper end of each extremity , and passing towards the lower margin , near the centre , the cable and tube being well supported by truss braces , which effect the double purpose of bringing the weight of the ...
... wire is suspended from the upper end of each extremity , and passing towards the lower margin , near the centre , the cable and tube being well supported by truss braces , which effect the double purpose of bringing the weight of the ...
Pagina 55
... wire gauge or sieve was introduced between the supply pipe and two inlet passages situated in the bottom of a cylindrical vessel . These passages opened into two vulcanized India rubber bags , which were bedded and laid flat on the ...
... wire gauge or sieve was introduced between the supply pipe and two inlet passages situated in the bottom of a cylindrical vessel . These passages opened into two vulcanized India rubber bags , which were bedded and laid flat on the ...
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