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I collect watches (don't ask).
A few companies have produced one-handed watches
time to time. These are normal watches, but they lack
minute and second hands. They're a little strange at
but in fact you can read the time quite accurately,
by using the hour
I think it would be cool (OK, "cool" is not the word.
interesting" or "possible" is probably closer) to make a
single-handed watch with a Vernier Moiré dial and a
The minute-markers around the periphery of the dial
would be closely spaced (in fact, one line for every 10
seconds). The single hand would have, at its end, a
transparent paddle marked with lines (running radially)
a spacing corresponding to one every 9 seconds.
As the hour hand moves, you would read the time to the
nearest 5 minute interval in the usual way (from the
position of the hand). But, as the hand moved, a Vernier
or Moiré pattern would sweep slowly across the little
paddle. From the position of this pattern on the paddle,
you'd be able to read the time down to the last minute or
This would need the hour hand to be well fitted, to leave
only a small gap between the paddle and the dial,
otherwise parallax would affect your reading of the
There are other possibilities, of course. For example, if
the hour hand were replaced with a transparent plastic
disc, and if suitably spaced radial lines were engraved on
the dial and the disc, you could create three concentric
Moiré patterns which behaved like the hour, minute and
second hands of a normal watch.
||// I collect watches (don't ask). //
||Strictly speaking, not letting people leave your property until they have "donated" their watch (and all other personal jewelry, money and possessions) is not in the strict sense of the word "collecting", unless you're a sovereign government; it's more usually referred to as "theft", "extortion", "demanding goods with menaces" or "daylight robbery" (the latter being transmutable to "twilight robbery" or "night-time robbery" depending on the hour when it is committed).
||Ah, we see now where your confusion has arisen ...
||Do you remember your old Tutor ever mentioning to you (before Sturton strangled him with one of the straps of his own straitjacket) anything called "morals" or "ethics" ? Ring any bells ?
||(No, not the one you ring when you're bored and want three young virgins from the local village to come and "amuse" you).
||The Jules Vernier Moire Watch, pressure-tested to
||//"morals" or "ethics" ? Ring any bells ?//
||Morality? Ethics? How remarkably vulgar.
||But, I am indebtinated to [bigsleep] for the links,
and I see that this idea is baked in all of its