<s>
A	O
cyclograph	B-Application
(	O
also	O
known	O
as	O
an	O
arcograph	B-Application
)	O
is	O
an	O
instrument	O
for	O
drawing	O
arcs	O
of	O
large	O
diameter	O
circles	O
whose	O
centres	O
are	O
inconveniently	O
or	O
inaccessibly	O
located	O
,	O
one	O
version	O
of	O
which	O
was	O
invented	O
by	O
Scottish	O
architect	O
and	O
mathematician	O
Peter	O
Nicholson	O
.	O
</s>
<s>
In	O
his	O
autobiography	O
,	O
published	O
in	O
1904	O
,	O
polymath	O
Herbert	O
Spencer	O
eloquently	O
describes	O
his	O
own	O
near	O
re-invention	O
of	O
Nicholson	O
's	O
cyclograph	B-Application
while	O
working	O
as	O
a	O
civil	O
engineer	O
for	O
the	O
Birmingham	O
and	O
Gloucester	O
Railway	O
.	O
</s>
