First copy, on 2 sheets (each 89 x 64cm) covers slightly smaller area to the north and east; second copy, bearing other slight differences, is on one sheet (93 x 129cm). Both copies bear 'Reference' giving 'Sizes of the largest vessels which the locks will admit' for 29 canals.
Scale 1" : 2m.
'Dedicated by Permission to Thomas Telford FRS L & E, President of the Institution of Civil Engineers by his Obliged G. Bradshaw'.
2 copies (3 sheets)