(368kB) |
APPENDIX 1
PROPOSED 3RD.
GEODETIC LEVELLING OF GREAT
BRITAIN
COMPLETED NET. |
A |
| Looks to be early 'design' for
3GL |
(262kB) |
COMPARISON BETWEEN 2nd.
& 3rd.
GEODETIC LEVELLINGS of SCOTLAND |
B |
| Very interesting map showing lines from 2&3GL and
which lines are common and unique to the two levelling |
(169kB) |
Looks to be a map showing 3GL lines with contours
to show, height changes if different areas. |
C |
(595kB) |
3rd. GEODETIC LEVELLING of
ENGLAND and WALES.
To fit 1/1,250,000 Outline of GREAT
BRITAIN.
Contours show the difference in feet between the 3rd &
2nd Geodetic Levellings of England & Wales in the sense of 3rd minus
2nd. |
D |
| |
(129kB) |
Appendix
II
Edition of June 1957
NEWLYN LEVELLING |
E |
Looks to be similar to
OS 41/404 for 2GL. But includes Tertiarlly devisions.
Overlaid with Subsidence Blocks.
(only the outline is made available
here - I hope to have a better quality version available soon) |
(344kB) |
3RD GEODETIC
LEVELLING
OF
SCOTLAND |
G |
| Shows approximate routes of 3GL lines, and where
mutiple lines follow the same route. |
(275kB) |
2nd
GEODETIC LEVELLING
of
SCOTLAND |
F |
Shows the lines of 2GL highlighting
junctions (eg showing that its a FB)
[sadly the legend is slightly cut off
but think similar to one above] |
