rolling mills, selection for given service.

use with bloom shears....

Flywheel-effect, synchronous motors.

Fog, effect on high tension insulator performance.
Foote & Randall chemical automatic telegraph.
Footings for transmission towers, cost...

..XXVII (08) 1059
.XXIX (10) 1386
XXVIII (09) 869
XXIII (04) 274
... XXIII (04) 362
.XXVIII (09) 874
.XXVII (08) 322
XXIII (04) 508

metal, for transmission towers, holding-down
power, tests

Forced oil cooling (see Cooling).

Forests, action in stream preservation...

... XXIV (05) 891
XXVII (08) 487
XXVIII (09)

180

XXVII (08) 1113

.XXVI (07) 1236

XXVII (08) 1215

Fort Wayne double-deck turbine station..
Foundations for transmission towers, cost.
Fourth rail London underground roads...
Franchises for natural resources, perpetual vs. limited. xXVII (08) 495, 498
valuation, examples of present practice.. ...... XXVII (08) 347

logical method

.XXVII (08) 350
.XXIX (10) 32

Franklin a. c. series motor with external armature.
Freight business, in rural districts Central States, estimate. XXIV (05) 1075
value of farm products in
States

Central

.XXIV (05) 1075
plants... XXIX (10) 567

haulage as night load for hydroelectric
Frequency, 25 cycles, reasons for adoption at Niagara

measurement with stroboscopic fork..

XVIII (01) 451
.XXVIII (09) 1186
.XXVII (08) 645

Falls

audible range

meter for very high frequencies,

description..xxvII (08)

684

Friction air, high-speed machinery.
coefficient, iron-tired wheels.

steel and steel

tired wheels

sliding, coefficient, variation with distance.

torque, mine hoists, calculation..

Friese water resistor, static discharger.

Fuels (see name of Fuel).

consumption, railway power plant..

contracts on B. t. u. basis...

cost in Germany

purchase on B. t. u. basis.

Furnace, electric, electrodes (see Electrodes).

speed..

losses, Hering's laws.... XXIX (10) 465, 492

XXVI (07) 1295
.XXVII (08) 844

aluminium, experience, Niagara Falls Power Co...XVIII (01) 496
application to circuit breakers on transmission

potential rise, cause..

power of short-circuits.

single-link vs. multiple..

telephone protection from high-tension, tests.

Galvanizing, tests for quality....

Gary Plant, electric power station.

electrical equipment

ore handling equipment..

..xxv (06) 358
XXVIII (09) 255
.XXVIII (09) 965
XXIV (05) 908
.XXVIII (09) 947
.... XXIV (05) 893

.XXIV (05) 916
.XXIX (10) I117
.XXVIII (09) 965

power requirements of various machines... XXVIII (09) 115
storage battery, description. XXVII (08) 995; XXVIII (09) 851
XXVIII (09) IIO

equipment

Gases, blast furnace, excess over that required for steel

quantity per unit output.

thermal value

utilization in engines..

carburetted-water, thermal value.

coal, cost of production..

thermal value

.XXII (03) 783

XXIX (10) 433

coke oven, thermal value.

.XXII (03) 775

luminescence, theory

.XXV (06) 796

luminescent characteristics, corpuscular theory.

.xxv (06) 851

mixed, cost of production..

.XXII (03) 782

with electric auxiliary, financial analysis.

Gas-processes, thermal efficiency of various..
Gas-producer, advantage of large gas holder..

down-draft type, mode of operation.
economy, effect of load-factor..
fuel consumption, actual..
losses, analysis

standby losses

thermal efficiency of various.

Gears, life of railway pinions..

ratios, railway practice.

teeth, allowable pressure.

transmission for electric locomotives..

Gem lamps (see Lamps, incandescent, graphitized).
General Electric apprenticeship course, description.
Generating unit, high-speed output per unit weight..

Generator, a. c., 10,000-h. p., 12,000-volt, construction..
..... XXVII (08) 1058

.XXII (03)

.XXIX (10) 452

771

.XXIX (10) 371

XXII (03) 782

XXII (03) 775

XXII (03) 788

.XXII (03) 788

.XXII (03) 788

XXII (03) 776

.XXIX (10) 450

.XXIX (10) 447
...xxv (06)
.XXIX (10) 446
..xxv (06)

58

21

Generator, a. c., (continued)

Behrend heat test....

belt-driven, speed-output curve.
Brown, low-speed, general design.
characteristics, determination

circle diagram of parallel operation....
collector rings, mechanical construction,

typical

.XXV (06) 311
.XXIII (04) 256

... XXII (03) 40
.XIX (02) 1093
.XXVI (07) 1028

compounding, Baum compensator, tests...XIX (02)
for load variations...

power-factor variations.XIX (02)

.XXIII (04) 286

802

.XIX (02) 746

746

necessity

.XIX (02) 745

compromise heat test.

XXV (06)

326

cost armature copper with rating.
iron with rating.

calculation

comparison 25 and 60 cycles.
field copper with rating..

iron with rating.

.XXVIII (09) 981
XXVII (08) 1429
.. XXVIII (09) 975
.XXVIII (09) 980
.XXVIII (09) 981
XXVIII (09) 983,
.... XXVIII (09) 988
min...xXXVIII (09) 988
.xxv (06) 159

iron and copper with rating...
relative, 25 and 60 cycles...
100 and 300 rev. per
cost-speed, characteristic
demagnetizing_m.m. f. calculation, gen-
eral equation

demagnetizing m. m. f., distributed single-
phase winding

.XXIII (04) 300

.XXIII (04) 299

demagnetizing m. m. f. with single-slot,
single-phase winding

.XXIII (04) 298

design, development, history.

.XXIII (04) 253

istic

use of short-circuit, character-

dimensions and weight, 850-kw. three-

phase

equation

XXI (03) 515

.XXIII (04) 315

distorting m. m. f. calculation, general

XXIII (04) 300