Phillips, Sir R., speculations on Railways, [148].

Pile-driving by steam, [312], [316].

Pitmen, Northumbrian, [8].

“Planet” Locomotive, [229].

Plugman, duties of, [22].

Politics, George and Robert Stephenson’s, [378]–9.

Primrose Hill Tunnel, [244].

Prophecies of railway failure, [158], [166], [172].

Pumping-engines, George Stephenson’s skill in, [38], [41], [44], [247].

Pupils, George Stephenson’s, [190]–2, [269].