Link motion of direct acting screw engine. 
Link motion, how to set. 
Locomotive engines,
  general description of the locomotive;
  Stephenson’s locomotive;
  Gooch’s locomotive for the wide gauge;
  Crampton’s locomotive for the narrow gauge. 
Locomotives, adhesion of wheels of,
  cost and performance of;
  framing of;
  cylinders of;
  springs of;
  outside and inside cylinders;
  sinuous motion of;
  rocking motion of;
  pitching motion of;
  pistons;
  piston rods;
  guides;
  cranked axle;
  axle bearings;
  eccentrics;
  eccentric rod;
  starting handle;
  link motion;
  valves, how to set;
  eccentrics, how to readjust;
  feed pumps;
  connection of engine and tender,
  driving wheels;
  wheel tires. 
Locomotive engine of modern construction, example of,
  fire box;
  barrel of boiler;
  tubes;
  tube plate;
  framing;
  axle guards;
  draw bolt;
  wheels and axles;
  cylinders;
  valve;
  piston;
  piston rod;
  guides;
  connecting rod;
  eccentrics;
  link motion;
  regulator;
  blast pipe;
  safety valve;
  feed pump;
  tendencies of improvement in locomotives. 
Locomotives, management of. 
Locomotive boilers, examples of modern proportions. 
Locomotive boilers, details of. 
Low pressure or condensing engine, definition of. 
Lubrication of rubbing surfaces,
  the friction depends mainly on the nature of lubricant;
  oil forced out of bearings, if the pressure exceeds 800
    lbs. per square inch longitudinal section;
  water a good lubricant if the surfaces are large enough. 
Lubrication of engine bearings.

McNaught’s indicator. 
Main beam, strength proper for. 
Main centre, description of,
  strength proper for. 
Main links, description of,
  strength proper for. 
Mandrels, expanding, for tubing boilers. 
Manhole door. 
Manhole of locomotives. 
Marine flue boilers, proportions of.
    See also Boilers. 
Marine boilers of modern construction, proper proportions of. 
Marine engines. See Steam Engines, marine. 
Mastic cement for setting marine boilers. 
Maudslay, Messrs., boilers of “Retribution” and “Great Western,” by,
Mechanical powers,
  misconceptions respecting. 
Mechanical power, definition of,
  indestructible and eternal;
  the sun the source of mechanical power. 
Metallic packing for pistons. 
Metallic packing for stuffing boxes. 
Meyer, expansion valve by. 
Miller, Ravenhill & Co.’s mode of fixing piston rod to piston. 
Modern locomotives. 
Momentum, or vis viva. 
Morin, experiments on friction by. 
Mudholes of locomotives. 
Muntz’s metal, composition of.

“Niger” and “Basilisk,” trials of. 
“Nile,” boilers of the, by Boulton and Watt. 
Notch of eccentric should be fitted with brass bush.