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Graphite, 555.

Mechanical refrigeration, 424-
Essential function of, 556.

426.
Advantages in use of, 556 Theory and practice of, 424-
557.

427.
How to use in engine cylin- Monitor sight feed-lubricator,
der, 565-566-567.

572.
Tests of, 556-557.

Nitrogen in ammonia, 428.
Heat, nature of, 424-425-426.
Abstraction of, from various Oils, how to test, 554-558.
bodies, 424-427.

Oiling the piston rod, 552.
Waste of, 423.
Height-

Packing, 550.
That water will rise by suc-

For piston rod, 550-551.
tion, 516-518.

For valve stem, 550.
High speed, horizontal, piston

Piston rod, 551.
valve engine, 483.

Friction of, 551.

Lubrication of, 551-552.
Ice making, 424-441.

Powell Lubricator, 564-565-566.
Systems of, 441-443.

Pumps, 510.
Interior lubrication, 558.

Most simple form of, 513-514.
Internal friction, 554.

Theory and principles of ac

tion, 514-515-516.
Journals of steam turbine, 421. Double acting, 516.

Single acting, 517.
Linde ice machine, 429-431.

Force required to operate,
Diagrams from, 432-433.

516-517.
Clearance of piston and

Duplex, 524-534-544.
cylinder head, 434.

Steam, 519.
Construction of cylinder 434-

Power, 519-527-534-536.
435.
Lubrication of, 435.

Questions on compound and
Valves of, 436.

multiple stage air compres-
Stuffing box, 436-438.

sion, 508.
Lubricant, nature of, 553. Questions on pumps, 540-544.
Quality of, 553.

Reece's apparatus for refrigera-
Lubrication of steam turbine,

tion, 455-456.
418.

Refrigeration, 424-427.
Lubrication, 546.

Agents employed in, 428-451,
Cost of, 557.

Mechanical, 424.
Importance of, 546-556.

Methods of utilizing, 438-440
Of piston rods, 553-554.

Systems of, 427.
Of valves and pistons, 560. Refrigerating machine, 426.
Lubricated surfaces, 555.

Rochester force feed lubricator,
Lubricating appliances, 561.

572.
Lubricating oils, 555-556-557- Rotor of steam turbine, 417.
560.

Safety governor, 422.
Manzel oil pump, 567-568. Setting and operating air com-

Method of application, 570. pressors, 494.

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Single Cylinder direct acting, Tables, 499-507.
524.

Testing of oils, 554-559.
Sinking, 527.

Triumph ice machine, 449-450.
Triplex power, 535.

Auxiliary suction valve, 450.
Automatic, 537.

Method of packing piston
Sight feed lubricator, 559.

rod, 451.
Smith-Vaile power pump, 527-
535.

Vacuum-
Steam, elasticity of, 527.

How created, 514-515.
Steam strainer, 422.

Valves-
Steam turbine--Allis Chalmers,

Balance throttle for steain
411-421.

turbine, 422.
Systems of Refrigeration, 427-

Suction and discharge for
429-439.

Triumph ice machine, 450.
By absorption, 427-451.

Automatic, 510-511.
By compression, 429.

Double beat, 510.
Wet, 429-431.

Hinged, 510-511.
Dry, 432.

Lift of, 517-518-519.
Systems of utilizing refrigera-

Material for, 512.
tion, 439-443.
Brine, 438-439.
Direct expansion, 439-440. Worthington steam pump, 525.

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INDEX

ELECTRICITY FOR ENGINEERS
Ammeters, 137.

Constant potential system, 20.
alternating current, 143. Current, 5.
shunt, 138.

generation of, 40.
Ampere, definition of, 7.

single phase, 129.
hour, definition of, 9.

two and three phase, 130.
milli, definition of, 10. Cut-out box, 25.

turns, definition of, 42.
Arc Lamp, alternating current,

Distributing center, 24.
168.

Divided circuits, 16.
brush, 155.

Dynamos, alternating current,
constant current, 154.

122.
constant potential, 165.

brush, 77.
enclosed, 167.

care of, 64.
principle of, 153.

compound wound, 47.
Thomson-Houston, 160.

failure to generate, 67.
Western Electric, 169.

operation of constant cur-
Armature, location of faults, 61.

rent, 75.

operation of constant poten-
Balanced three-wire system,

tial, 65.
23.

operation in parallel, 69.
Booster, 198.

reversal of current, 44.
Brush system, 77.

separate exciting, 123.
controller, 84.

series, connections of, 45
Brushes, care of, 53.

shunt, connections of, 46.
construction of, 53.

test for polarity, 70.
shifting of, 62.

Thomson-Ilouston, 89.
setting of, 59.
staggered, 55.

Electromagnet, 41.

Electromotive force, definition
Calculation of wires, 25.

of counter, 108.
Center of Distribucion, 25.

Electroplating. 199.
Circuit breakers, 117.

Electrolysis, 199.
Circular mil, definition of, 26.

Electrolytic action, 9.
Collector rings, 125.

Equalizer bar, 72.
Coulomb, definition of, 10.

Feeders, 24.
Commutator, area allowed for

Fuses, 117.
current, 51.
care of, 53.

Gramme Ring, 44.
construction of, 49.

Ground detectors, 185.
Conductivity, definition of, 16.
Conductors, 7.

Heating by electricity, 201.
Constant current system, 20. Horse

.

power, 15.

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Incandescent lamps, 172.

current required, 175.

efficiency tables, 173.
Insulators, 7.
Joints in wires, 31.
Joule, 15.
Kilowatt hour, 15.
Laminated armature, 53.
Light, absorbtion of, 176.
Lightning arresters, 204.

Thomson, 206.
Lines of force, definition of, 41.

direction of, 42.
Loss in wires, 27.
Magnet, soft iron, 5.

steel, 5.
Meters, reading of, 147.
Mil, circular, 26.

square, 26.
Motors, 107.

alternating current, 116.
compound, 112.
series, 111.
shunt, 110.
Multiple arc system, 20.
Multiple series system, 21.
Negative wire, 23.
Nernst lamp, 177.
Neutral point of dynamo, 49.
Neutral wire, 22.
Ohm, 13.
Ohm's law, 14.
Parallel system, 19.
Photometer, Bunsen, 190.

Rumford's, 191.
Polarity indicator, 142.
Positive wire, 23.
Potential, difference of, 10.
Prony brake, 187.
Regulator, Brush, 85.

series dynamo, 45.

Testing lines, 181.

dynamo efficiency, 187.
grounds, 184.
open circuits, 181.

short circuits, 183.
Thomson-Houston system, 89

controller, 97.
Three-wire system, 22.
Transformer, principle of, 130

rotary, 128.

Volt, definition of, 10.
Voltameter, 9.
Voltmeter, 10.

alternating current, 143.
magnetic vane, 137.
Weston, 133.

Watt, definition of, 14.

hour, definition of, 15.
Wattmeters, 144.

Thomson, 145.
Wires, carrying capacity of, 38

properties of, 39

weights of copper, 37.
Wiring tables, 32.
Wiring systems, 19.

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