Last Updated：2022/12/24
The number of grooves being only three, admits of these being shallow, so that the ball does not strip readily, while a further most ingenious adaptation is that the grooves be trice as deep (but, let the reader remember that such measurements are made by five-thousanths of an inch) at the breech as at the mizzle, so that the ball always becoming more compressed as it leaves the barrel.
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The
number
of
grooves
being
only
three,
admits
of
these
being
shallow,
so
that
the
ball
does
not
strip
readily,
while
a
further
most
ingenious
adaptation
is
that
the
grooves
be
trice
as
deep
(but,
let
the
reader
remember
that
such
measurements
are
made
by
five-thousanths
of
an
inch)
at
the
breech
as
at
the
mizzle,
so
that
the
ball
always
becoming
more
compressed
as
it
leaves
the
barrel.
