They were transported to Cosgrove by the canal itself , and assembled and erected at site .
The cast iron units were cast at the Ketley foundry at Coalbrookdale ; the company had already been involved with Telford on the Longdon - on - Tern Aqueduct .
company were transported to Cosgrove by the canal itself , and assembled and erected at site .
The cast iron units were cast at the Ketley foundry at Coalbrookdale ; the company had already been involved with Telford on the Longdon - on - Tern Aqueduct .