F Lawrence

DISCUSSION. DESCRIPTION OF THE IMPROVEMENTS ON THE SECOND DIVISION OF THE RIVER LEA NAVIGATION, WITH REMARKS ON THE POSITION OF CANALS GENERALLY, IN REFERENCE TO THE DEVELOPMENT OF THEIR RESOURCES.

Hemans, J B Redman, T E Harrison, 1858 .

DISCUSSION. THE CENTRE PIER OF THE SALTASH BRIDGE, ON THE CORNWALL RAILWAY, AND THE MEANS EMPLOYED FOR ITS CONSTRUCTION.

R P Brereton, J Hawkshaw, F Lawrence, .