48 Scientific Proceedings, Royal Dublin Society. 
(2) As there are no wires, this cannot take place. 
(83) Each user is absolutely independent of all others, and he 
cannot by any action of his own interfere with the efficiency of any — 
one else’s apparatus. 
It therefore appears that this system is exceedingly well fitted - 
for this particular work, and I hope it may be allowed a fair trial 
before long. 
The whole arrangement would be of exceeding simplicity. 
In some central position in a town a standard clock would be 
fixed whose duty would be that of starting at stated intervals a 
generating apparatus such as is used by Mr. Marconi, and which, 
consists mainly of a strong induction coil. The current having 
been turned on to this for a fraction of a second causes a spark of 
high tension to pass between the terminals. Instantly an 
electrical wave is transmitted from this centre and passed over 
the town, its influence extending a greater or less number of 
miles according to the strength of the current. 
Each establishment that is included in the system is furnished 
with one of Mr. Marconi’s exquisitely delicate little “ coherers,”’ 
and a relay with a small local battery to work the correcting 
apparatus (of whatever nature it may be) for setting his clock. 
As the electrical wave passes, the coherer is excited, the 
relay is attracted, bringing the local battery into action, that 
particular clock is set, and any error that may have existed is 
entirely wiped out. 
There is something very beautiful in this action of the 
“Marconi”? wave. In a city supplied with this apparatus we 
should be conscious as we hear each hour strike that above 
us and around us, swiftly and silently, this electrical wave 
is passing, conscientiously doing its work, and setting each clock 
in each establishment absolutely right, without any physical con- 
nexion whatever between the central distributing clock, and those 
which it keeps correct by means of this mysterious electrical wave. 
We might go even still further, and though I do not put it 
forward as a proposition likely to be carried out in any way, 
except as an experiment, yet it undoubtedly would be perfectly 
possible to carry an apparatus in one’s pocket, and have our 
watches automatically set by this electrical wave as we walk about 
the streets. 
