How to Use the Popular Science Library; History of Science; General Index

Chapter XVII: Science in the Twentieth Century (14)

Text size

World War, aeronautical development, i, 40-1, 284, 285, iv, 10, 107;
aeronautical weather services, i, 304-5;
aeroplane accidents, x, 246;
aeroplane machine guns, v, 107;
aeroplane mapping, i, 45;
aeroplanes, luminous glories seen, 185;
aftermath of, x, 188-9;
artillery phenomena, i, 193-4;
artillery vs. armor, v, 368;
big guns, v, 368-71;
bombardment of Antwerp, i, 191;
cannonading heard at distances, 188;
care of disabled, (U. S.), x, 188-91;
chemical warfare, viii, 262-4, x, 186-8;
chemical warfare service device, viii, 283;
chemistry in, xvi, 159;
commerce destruction in, xiv, 306;
cultural setback by, xv, 30;
dried foods in, viii, 371;
dye industry in, 253;
electricity in, vi, 10;
flood lighting, 283;
flying machines, v, 233;
French forests in, xiv, 239;
gas masks, viii, 48;
German aircraft at beginning, x, 40;
German lack of jute bags, xiii, 241;
German plans on two fronts, xiv, 91-2;
German torpedoes, v, 374;
Germans called Huns, xi, 22;
Germany's nitrate needs, xiv, 66;
helmets and armor in, xv, 221;
hysterical phenomena in, x, 363;
ignorance of southern mountaineers in, xv, 131;
influenza pandemic, x, 294-5;
Italy in, xiv, 244-5, 252-3, Italy in, xv, 138;
invasion of France and Belgium, topographical considerations, xiv,
88-93;
inventions, v, 360, 384;
jaundice in trenches, x, 201;
Liberty engines, v, 53-4;
machine guns, 363-8;
Marne retreat incidents, xi, 286-7;
medical achievements of, x, 176-91, 384;
meteorology in, i, 290-1, 307-15;
mirages in Mesopotamia, 173;
motors used, direct current, vi, 239;
nitrogen needs and production, i, 34, 36, viii, 246, xiv, 66;
pilot balloons, i, 22;
potash dearth and supplies, viii, 143-4, 279, 344, xiv, 67;
projectiles and shells, v, 372;
rain in battles, i, 338;
Russian bison destroyed in, xii, 329;
Russian elk destruction in, 318;
scientific progress in, iv, 10-11, xvi, 9, 195;
scurvy in, x, 265;
searchlights on fleets, iv, 352;
sleeping sickness epidemic, x, 301;
smoke screens, viii, 87;
sound-ranging, i, 313, iv, 201-2;
sphagnum use in, xiii, 160-1;
stereograms in, xi, 180-1;
submarines, v, 198, 200-1;
submarine spotting, i, 47;
sulphuric acid importance, viii, 78-9, 80;
surgery in, x, 181-3, 381-2;
Switzerland in, xiv, 243-4;
tanks, v, 218;
tetanus infection in, x, 299;
trench fever in, 202;
tuberculosis in France, 175;
typhoid fever in, 217, 288;
vitamine foods lacking in certain countries, 260;
volcanic power in Italy, v, 179-80;
well-poisoning in, xv, 228;
wheat in rationing, viii, 364;
wireless operations, vii, 282-3;
"Who won it?," v, 300;
wood as food in, ix, 24;
Zeppelins and captive balloons, v, 227

World Weather Bureau, i, 221

Worm Gears, v, 37 (fig.), 88

Worms, xii, 44-5, 50-6;
classification, iii, 259;
earliest tracks, 263, 270;
power of distinguishing light, ix, 105;
regeneration in, xii, 170;
sea, 18, 23

Worms (disease), x, 200

Worry, feeling of, ix, 153-4, 167;
hardened arteries from, x, 335;
indigestion from, ix, 165, 167, 240-1

Wound-Rotor Induction Motor, vi, 245, 248, 256

Wounds, antiseptic treatment of, x, 145-6, xvi, 182-3;
Carrel-Dakin treatment of infected, x, 181-3, 382;
former treatment, 40, 43, 54-5, 59, 78-9;
healing of modern surgical, 123;
painlessness to soldiers, xi, 119, 120;
Paré's treatment of, 55, xvi, 108;
radiation treatment of septic, x, 384

Wound Suckers, x, 91, 105

Wove Paper, v, 296

Woven Fabrics, threads of, v, 276, 278

Wright, Sir Almroth, x, 218

Wright, Orville and Wilbur, v, 231-2, 237-8, 383-4;
early flights, i, 300

Wright, Thomas, ii, 350, 367, 380

Wright Machines, v, 232, 236, 237-8

Wrigley Triplets Sign, N. Y., vii, 340-1

Wrist, bones of, ix, 67, 68 (fig.);
pulse in, 211

Writing, development of, xv, 164-79, 325, xvi, 60;
by telegraph, vi, 98;
remarks on art of, ii, 10;
reflex actions in, ix, 157

Written Language, association principle in, ix, 152;
importance to man, 153

Wrong, original meaning, xi, 190

Wrought Iron, v, 317, viii, 158-9

Wyberd, on corona, ii, 221

Wye Connections, vi, 209, 318, 325

Wyoming, badlands of, xiv, 82;
cattle ranges, 222-3;
dike systems, 106-7;
marine fossils in, iii, 82;
volcanic fields, xiv, 318

Xanthine, viii, 230

Xenon, in atmosphere, i, 11, 12;
symbol and atomic weight, viii, 383

Xenophanes, on fossils, iii, 14

Xiphosura, xii, 81

X-ray Analysis, of crystals, viii, 313

X-ray Photography, iv, 55, 320-1;
uses of, vii, 253-4, x, 222, 372-4

X-rays, iv, 317-21, vii, 249-57, x, 184-6, 254, 383;
discovery of, iv, 55, 317, x, 183-4, xvi, 192-3;
fluorescence produced by, iv, 320, 378-9;
invisibility, 319, 378;
transmitted through æther, vi, 119, 269;
vibration frequency, iv, 379, vii, 260

X-ray Spectra, viii, 183, 309

X-ray Tube, iv, 319, vii, 251-2;
operated by induction coils, 244;
static generators for, 245

Xylene, from coal tar, viii, 253

Xylols, viii, 235

Xylophone, iv, 224

Yaks, xii, 330

Yakutat Bay, Alaska, xiv, 334-5;
faulting in, 114, 334-5

Yakutsk, Siberia, i, 210

Yale College, founding, xvi, 127

Yampa River, xiv, 166, 168, 175

Yams, origin and antiquity, xiii, 224;
water, of Madagascar, 89-90

Yapocks, xii, 276

Yard, unit of length, iv, 45, 69;
value in meters, 46, 70

Yarn, grading of, v, 272;
making and weaving of, 268, 272-82

Yawning, as fear effect, xi, 132

Yaws, racial susceptibility to, xv, 50, 51

Y-connections (see Wye)

Year, beginning of, in ancient Egypt, ii, 26;
in Cæsar's calendar, xvi, 98;
length fixed by Hipparchus, 11, 32;
length in ancient Egypt, xvi, 70;
measurement of, iv, 15;
without a Summer, i, 359-61, 361-2

"Yearning of Bowels," xi, 64, 131, 160

Yeast, cells of, xvi, 142-3;
disease-producing, x, 196;
fermentation in dough, ix, 248;
fermentation by pure and other cultures, x, 138;
leavening powers of, viii, 50;
non-flowering plant, xiii, 13, 14, 43;
origin of power, 71;
reproduction, 164;
vitamines in, ix, 36, x, 260, 261

Yellow, complementary color of, iv, 367;
photographic action of,366;
soothing effects, vi, 274;
wave length of, iv, 359, 365

Yellow Days, cause, i, 57

Yellow Fever, x, 159-63;
campaign against, 162, 172-3, xiv, 356-7;
discovery of cause, x, 160-3, 173, 200;
immunity to, 207, xiv, 357;
virus of, x, 161, 200

Yellow Race, xv, 32;
brain and skull capacity in, 41;
diseases of, 51;
facial angle in, 45;
jaw angle of, 44;
nose index and nostril shape, 46;
peoples of, 37;
separate origin theory, 70;
skull index, 42

Yellowstone Lake, xiv, 180;
altitude, 205

Yellowstone National Park, freaks of nature in, vii, 202;
geysers in, iii, 129;
Hayden Relief model, xiv, 10;
hot springs, 143;
jointed rocks, 129;
petrified forests, iii, 126-7;
travertine terraces, xiv, 146;
uncooled lava masses, 313-14

Yellowstone River, canyon of (see Grand Canyon of the Yellowstone);
falls of, iii, 48-9;
geological history, xiv, 180

Yerkes Telescope, ii, 98, 202;
magnification by, iv, 346

Yersin, bubonic plague work, x, 164, 165;
pupil of Pasteur, 143

Yew Tree, ancestors of, xiii, 317;
a conifer, 174;
in landscaping, 270;
of Tasmania, 30

Yorkshire Coast, recession of, xiv, 47, 301

Yosemite Falls, iii, 47-8, 65

Yosemite Valley, air currents, i, 296, 297;
formation, iii, 44, 64-6, 225;
granite walls, 112, 214;
impressiveness, vii, 202

Young, Prof., astronomical work, ii, 120, 128, 142, 181, 183, 201,
222-3, 307

Young, Thomas, x, 96-7, xvi, 174

Young's Modulus, iv, 157, 158

Yperman, Jean, x, 41

Ypres, chemical warfare at, x, 186

Yssel River, xiv, 45

Ytterbium, symbol and atomic weight, viii, 383

Yttrium, symbol and atomic weight, viii, 383

Yucatan, chocolate cultivation, xiii, 234;
sisal production, 240-1

Yucca Plant, pollination of, xvi, 152-3

Yukon River, use of, xiv, 191

Zambezi, crocodiles of, xii, 200

Zambezi River, gorge and falls of, xiv, 131-2,
(see also Victoria Falls);
lava field of, 317;
varied course, 155

Zanzibar, clove production, xiii, 262, 263

Zebras, xii, 307-8

Zeno, Greek philosopher, xvi, 84-5

Zeolites, in softening water, viii, 324

Zeppelin, Friedrich von, v, 225-6, 228, 382

Zeppelins, v, 225-6, 228-9, 382;
development by Germany, i, 40;
in World War, 310

Zero, invention of, xvi, 184

Ziczac, Egyptian, xii, 263

Zinc, affinity intensity, viii, 128;
atomic weight and symbol, 383;
extraction from ores, 270, 271;
in electric cells, vi, 59, 61, viii, 167;
in heavy metal group, 126-7, 154;
melting point and requirements, iv, 162, viii, 384;
occurrence and production, iii, 363-4, viii, 129, 198;
specific gravity, 384;
test for, 287, 289;
uses, iii, 363, viii, 155-6;
used in hydrogen preparation, 32-3

Zinc Carbonate, viii, 130

Zinc Sulphate, viii, 96

Zircon, iii, 341;
axis ratio, 317

Zirconium, symbol and atomic weight, viii, 383

Zodiac, ii, 254

Zodiacon, i, 192

Zoetrope, v, 329

Zone of Flowage, iii, 84

Zone of Fracture, iii, 84;
action of rocks in, 86

Zones, Climatic, earliest distinction, iii, 220;
not marked in oldest times, 173, 178, 184, 202

Zones of Silence, i, 189-92

Zoögonidia, movements, xvi, 166

Zooids, xii, 34

ZOÖLOGY, Volume xii

Zoölogy, binomial nomenclature in, x, 84;
daily interest, xvi, 15-16, 22, 25-6;
defined, xvi, 36;
history of development, 116, 126, 140-8

Zoöpraxiscope, v, 330

Zorilla, xii, 348

Zuider Zee, formation of present, xiv, 45-6

Zulus, ideas of future life, xv, 333;
musical instruments of, 317;
polygamy among, 288

Zuni Indians, pottery-making by, xv, 250 (fig.)

Revision Service

POPULAR SCIENCE LIBRARY

~How To Send For It~

Between March 1, 1924 and May 1, 1924, and in the corresponding period of each succeeding year, fill out and mail to the Publishers, P. F. Collier & Son Company, 416 West Thirteenth Street, New York, the appropriate "Request Form."

When Revision Sheets are received place them, in numerical order, in the looseleaf volume provided to hold them.

A new title page and a new cumulative index will be supplied with each year's Revision Sheets.

_See "Request Forms" on succeeding pages_

_Request Form--1923_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1923. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1924 and May 1, 1924_

_Request Form--1924_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1924. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1925 and May 1, 1925_

_Request Form--1925_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1925. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1926 and May 1, 1926_

_Request Form--1926_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1926. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1927 and May 1, 1927_

_Request Form--1927_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1927. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1928 and May 1, 1928_

_Request Form--1928_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1928. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1929 and May 1, 1929_

_Request Form--1929_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1929. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1930 and May 1, 1930_

_Request Form--1930_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1930. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1931 and May 1, 1931_

_Request Form--1931_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1931. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1932 and May 1, 1932_

_Request Form--1932_

Revision Service

POPULAR SCIENCE LIBRARY

_Date____________________

P. F. Collier & Son Company
416 West 13th Street
New York, N. Y.

Gentlemen: Kindly send me Revision Service
Sheets on Popular Science Library, for the
year 1932. I subscribed for Popular Science
Library in the month of____________________
19____, and my address then was--

___________________________________________

You may send the above requested Revision
Sheets to me at the following address:

_Name_ ________________________________

_Address_ _____________________________

_______________________________________

+Important+ _Mail this to Publisher between
March 1, 1933 and May 1, 1933_

TRANSCRIBER'S NOTES

Silently corrected simple spelling, grammar, and typographical
errors.

Retained anachronistic and non-standard spellings as printed.

Enclosed italics font in _underscores_.

Enclosed signatures or cursive font in ~tildes~.

Enclosed italics and underlined font in +plus signs+.

Comments

How to Use the Popular Science Library; History of Science; General IndexChapter XVII: Science in the Twentieth Century (14)

0%8 min left in chapter