Section 50.—HINGES AND JOINTS.
Section 52.—LEVELLING AND PLUMBING.
Section 53.—MECHANICAL POWERS. APPLIANCES TO VARY POWER AND SPEED.
Section 54.—MIXING AND INCORPORATING.
Section 56.—PUMPING AND RAISING WATER.
Section 57.—PIPES AND CONVEYORS.
Section 58.—PACKINGS, JOINTS, STUFFING BOXES, &c.
Section 61.—PUMPING ENGINES, TYPES OF.
Section 62.—PAWL AND RATCHET MOTIONS.
Section 64.—POWER AND SPEED, CONTRIVANCES TO VARY.
Section 65.—QUICK RETURN MOTIONS.
Section 67.—RESERVOIRS OF POWER. ACCUMULATORS.
Section 68.—RECIPROCATING AND CIRCULAR MOTION, CONVERTING ONE INTO THE OTHER.
Section 69.—RAISING AND LOWERING.
Section 70.—RELIEVING PRESSURE ON BEARINGS. ANTI-FRICTION BEARINGS.
Section 71.—ROPE, BELT, AND CHAIN PULLEYS.
Section 72.—RIDDLING AND SCREENING.
Section 73.—RAIL AND TRAM ROADS.
Section 75.—ROTARY ENGINES, PUMPS, &c.
Section 77.—SPINDLES AND CENTRES.
Section 78.—SCREW GEAR, BOLTS, &c.
Section 79.—SLIDE AND OTHER VALVE GEAR.
Section 81.—SAFETY APPLIANCES FOR VARIOUS USES.
Section 85.—TRANSMISSION OF POWER.
Section 86.—TANKS AND CISTERNS.
Section 87.—THROWING IN AND OUT OF GEAR.
Section 88.—VARIABLE MOTION AND VARIABLE POWER.
Section 90.—WATER WHEELS AND TURBINES.
Section 91.—WHEELS IN SEGMENTS.
Section 92.—WEIGHING, MEASURING, INDICATING PRESSURES, etc.
Section 93.—WATER-PRESSURE ENGINES.
Section 95.—WINDMILLS AND FEATHERING WHEELS.
Section 96.—WINDING APPARATUS.
Section 97.—HANDLES, &c., FOR VARIOUS PURPOSES.
Section 98.—APPARATUS FOR DRAWING CURVES.
Section 99.—MATERIALS EMPLOYED IN CONSTRUCTION