d in raising the Halford demonstrated his system to the members of deadweight of the track and supporting girders. pension Railway, which is at present nearing com- the British Institution, and considerable interest was evinced in the invention by the scientists of that asso- pletion between Barmen… … A GRADIENT RAILWAY—END VIEW OF TROLLEY AND eral construction of the model. The raising citrate of potassium, sulphate of copper, and rams are placed at each end, and the column CARRIAGES, ferricyanide of potassium are made; it is best to in the center is the supporting ram. The sup- use distilled…
Internet Archive · Public domain (published before 1931). Free to use for anything.