British Almanac and Companion, 16. kötetStationers' Company, 1843 |
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1 - 5 találat összesen 29 találatból.
8. oldal
... motion for this end of the telegraph . Above this , the front exhibits several dials , in front of each of which one or more index - hands move . In connexion with every index - hand is a small handle , which , on being moved by an ...
... motion for this end of the telegraph . Above this , the front exhibits several dials , in front of each of which one or more index - hands move . In connexion with every index - hand is a small handle , which , on being moved by an ...
9. oldal
... motions - a different character being indicated accord- ing to the number of the needles in motion . The following de- scription will give an idea of Professor Wheatstone's simple and efficient magnetic - needle telegraph : -Five ...
... motions - a different character being indicated accord- ing to the number of the needles in motion . The following de- scription will give an idea of Professor Wheatstone's simple and efficient magnetic - needle telegraph : -Five ...
10. oldal
... motion of three or four needles , the above - mentioned telegraph will afford nearly 200 signals , besides those ... motion in opposite directions is converted into an intermitting circular motion in a single direction by means of two ...
... motion of three or four needles , the above - mentioned telegraph will afford nearly 200 signals , besides those ... motion in opposite directions is converted into an intermitting circular motion in a single direction by means of two ...
11. oldal
... , through the same wires , from any other part of the circuit . Professor Wheatstone has contrived various means of convert- ing the reciprocating motion of the armature into the inter- of Electricity to the Arts . 11.
... , through the same wires , from any other part of the circuit . Professor Wheatstone has contrived various means of convert- ing the reciprocating motion of the armature into the inter- of Electricity to the Arts . 11.
12. oldal
ing the reciprocating motion of the armature into the inter- mitting circular motion of the dial : but for instruments re- quired to act through very great lengths of wire he has adopted the following plan . The axis , carrying the ...
ing the reciprocating motion of the armature into the inter- mitting circular motion of the dial : but for instruments re- quired to act through very great lengths of wire he has adopted the following plan . The axis , carrying the ...
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