Horizontal Section No. 126 (1882). From the R Chelmer, below Chelmsford, by Felstad, Barrington Hill and Wandlebury, to Cambridge (continuation of section 84). Geological Survey of GB. 1stHorizontal Section No. 126 (1882). From the R Chelmer, 4 mi. below Chelmsford, by Felstad, Barrington Hill and Wandlebury, to Cambridge and Madingley Park (continuation of section 84). Geological Survey of GB. 1st edition. Located on Old Series one inch maps 1ne, 47 and 51sw. Hand coloured engraving, 69. 5 x 103cm, 1: 10,560 scale (6= 1mile). Flat, age toned, slightly soiled, deep tear with loss on top edge, repaired with old tape leaving brown stain.