Microscope, George Stephenson’s, [346].

Middlesborough-on-Tees, [144].

Middleton Railway, Leeds, [72], [148].

Midland Railway, [257].

Militia, G. Stephenson, drawn for, [40].

Mining, coal, [3], [7], [92];
in South America, [197].

Montrose, G. Stephenson at, [38].

Moodie, underviewer at Killingworth, [94]–7, [119].

Morecambe Bay, proposed reclamation of, [262].

Morton-on-the-Marsh Railway, [153].