[f7e8d] ~F.u.l.l.~ %D.o.w.n.l.o.a.d# Journal of the Franklin Institute of the State of Pennsylvania, for the Promotion of the Mechanic Arts, Vol. 71: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Record of Patent Inventions - Pennsylvania Franklin Institute ^P.D.F@ Online

Excerpt from Journal of the Franklin Institute of the State of Pennsylvania, for the Promotion of the Mechanic Arts, Vol. 71: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Record of Patent InventionsThis road, uniting the valleys Of the Allier and Loire, presents in its central portion a varied profile, calling for the