He now advocated the use of the narrow gauge of with all major construction in wood, which system he had developed since the early 1860s. Pihl's ideas had been noticed in Britain where the smaller Ffestiniog Railway in Wales was also proving a success. After a visit to Norway the gauge was taken up by Sir Charles Fox and Sons, the firm founded by the eminent engineer and constructor of the Crystal Palace at the Great Exhibition of 1851. Fox had a very influential consulting practice throughout the former British Empire and Colonies and was instrumental in gaining acceptance for the gauge in Canada, New Zealand, Australia and South Africa.