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Channel east of Pt 611, in 98: length of the elements variable, but on average 0m.50 or or a little more- They appear narrowed at both ends; diameter at the end: 11 cms 5 to 12 cms- Diam. body of the pipe = varying from 11 to 14 cms- Wall thickness = 1 cm to 1 cm 2. The element described p. 18 and 19 is perhaps an inspection shaft, as it could have been made as such, with only a lower half (drawing); length: 45 cms, external diam.: 16 cms 5, wall thickness: 1 cm 5, internal diam.: c. 14 cms
Sector 127, Pt 667: length of the elements of the channel- North-South = about 1 m 20 - Flared at one end and narrowed at the other
Drawing: longitudinal profile of a pipe section, flared at left and narrowed at right
diam. ends: 16 cms and 9 cms average diam. at middle = 12 cms wall thickness: 1 cm on average -
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain