a2 Mr. Sabine on the 
The cost of the well, including that of the pipes, boring; and 
every other expense whatever, did not exceed 130/.; and the’ 
manner in which it was executed, was, in every respect: satisfac- 
tory. Indeed it is impossible to speak too highly of the care, 
attention, and dexterity of Mr. Worsencroft, and the workmen: 
whom he employed. 
Turnham Green, November 27, 1823. 
Memoranda of the various strata bored through. 
Feet. 
19 Gravel. 
162 Blue clay. Specimen No. 1. At the depth of 59 feet from 
the surface asmall stone, sp. No. 2, four inches thick was 
found; another at 149 feet was found six inches thick, 
but it was pounded to dust by the chisel ; a third was 
found at the depth of 153 feet; it is marked sp. No. 3. 
At 162 feet from the surface the clay became veiny, and 
intermingled with very minute glittering fragments; this 
is sp. No. 4. At 173 feet the clay became more sandy, 
sp. No. 5, and continued so ull it altered into the next 
kind. 
30 Coloured clay; varying from brick-red, mixed with blue and 
yellow, to many shades of dull purple ;. sp. 6, came from 
190 feet; sp. 7, from 200 feet; sp. 8, from 203 feet; 
sp. 9, from 211 feet, when the seam changes into the next 
which is more yellow. 
22 Clay, with nearly an uniform colour of yellow ochre, occa~ 
sionally mixed irregularly with grey. Sp. 10. This was 
more sandy than the previous stratum. Among this water 
rose in some quantity. 
28.6 Soft soil, apparently composed of clay and sand. It varied 
very much in colour, being sometimes bright green, other- 
wise yellow intermixed with green, or sometimes beauti- 
fully veined with dark red and yellow. Many specimens 
are sent, v2z. : : 
sp. 11, 240 ft. sp. 12, 242 ft. sp. 18, 248 ft. 
sp. 14, 244 ft. sp. 15, 246 ft. sp. 16, 246 ft. 
sp. 17, 247 tt. sp. 18, 2565 ft. sp. 19, 261.6 ft. 
