BENCHMARKS continued
And
another first for Michael Byrne from his hunt in Edinburgh; a Flush
Bracket Benchmark. It is Number S3006 and is fixed into the face of a
Triangulation Point pillar, atop Calton Hill.
Below:
The Flush
Bracket Benchmark atop
Calton Hill,
Edinburgh, Scotland.
Above:
Looking North towards the Firth of Forth. The 'mark is inset on the
Trig Point pillar.
