1 20 HEROES OF INVENTION AND DISCO VER K 



the Tyne at Newcastle, and with Sir WiUiam Fairbairn of Man- 

 chester he divides the honour of the Conway and Britannia 

 tubular bridges in North Wales. The honour of the invention 

 of the tubular system of bridge-building rests with Fairbairn. 

 The tubular bridge across the St. Lawrence at Montreal was 

 also Stephenson's design. 



