Last Updated：2022/12/24
I understand that a complete transmutation takes place in the iron; it gradually becomes incrusted with the copper, whilst at the same time the acids act as a corrodant; so that a piece of iron thrown in, after a certain time, comes out copper, but whether weight for weight, or size for size, I do not recollect.
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I
understand
that
a
complete
transmutation
takes
place
in
the
iron;
it
gradually
becomes
incrusted
with
the
copper,
whilst
at
the
same
time
the
acids
act
as
a
corrodant;
so
that
a
piece
of
iron
thrown
in,
after
a
certain
time,
comes
out
copper,
but
whether
weight
for
weight,
or
size
for
size,
I
do
not
recollect.
