Two sections of line of pressure pipe. For position of this pipe-line in place across coverslabs of East Branch of the Great Drain, cf. Cf. 1997.09.0381 and 1997.09.0382 ... 1953
Two sections of line of pressure pipe. For position of this pipe-line in place across coverslabs of East Branch of the Great Drain, cf. Cf. 1997.09.0381 and 1997.09.0382 ... AMS Horizontal (normal) ... 1953