DIAGRAM A.
SECTION OF WALLS BUILT IN 1873.
5 ta 1
R
0
A D
62
LIME CONCRETE,
EARTH.
CONCRETE CEMENT
GRAVEL
BED.
SECTION
NB. STONES AVERAGE 4 FT ALONG FAGE. ELEVATION
Scale
FE.
15 FT
DIAGRAM A.
SECTION OF WALLS BUILT IN 1873.
5 ta 1
R
0
A D
62
LIME CONCRETE,
EARTH.
CONCRETE CEMENT
GRAVEL
BED.
SECTION
NB. STONES AVERAGE 4 FT ALONG FAGE. ELEVATION
Scale
FE.
15 FT