Popular Science Monthly INDEX
Volume 91 — July-December, 1917
��AERONAUTICS Page
Ancestors of the Bird and Airplane 3
The Strength of Human Wings 32
Fighting from Balloons 50
Fighting in the Air 76
America's Biggest Flying Machine 200
U. S. Dirigible D.N. I 225
"Pillows" as Airplane Targets 327
A Fire-Chief's Airplane 385
The Ideal Aerial Bomb 386
Will the Dinners of the First Trans-Oceanic Flight
Be Hot? 425
A Life-Preserver for Aeronauts 439
The Charge of the Lightest Brigade 530
The Airplane to the Rescue of Storm-Tossed
Mariners 538
The Zeppelins Are Coming! Hug the Ground. . . 540
Protecting the Airplane with a Fire-Proof Coating 542
Air Scouts Learn to Sketch Battlefields 545
The New Blimp Type of Dirigible 546
Italy's Huge Bombing Triplane 688
Catapulting Seaplanes from U-Boats 696
Directing the Big Gun Fire from Airplanes 701
New Gun-Tunnel Airplane 709
Testing the Fighting Aviator. 711
A New Map-Holder for the Aviator 728
Sixty Miles an Hour Is the Climbing Speed of Fly- ing-Machines 744
Making a Safe Landing at Night from an Air- plane 752
Fishing in the Air 803
A Biplane Which Crashed Through a Roof 838
Sixteen Airplanes Against One Destroyer 850
The Sun, an Enemy to Airplanes 857
Testing Airplane Engines at Factory 861
Dummy Airplane Targets 866
Commuting by Airplane 879
Our Aviation Problems 894
Aviators Now Can Carry Their Telephones Under
Their Hats. 907
Testing Airplanes in a Man-Made Storm 910
AGRICULTURAL SCIENCE
Guinea Pigs Were Once Cultivated Like Chickens
for Food > 27
Making the Cow's Tail Behave with a Trolley
Restrainer 27
A New Corn-Husking Machine 60
A Garden in Which Weeds Are Not Only Tolerated
but Cultivated 61
To Make Your Lawn Attractive You Must Edge It
Evenly 89
An Adjustable Rake for the "Land Patriots" .... 90
Silo Roof Opens Like Umbrella. 106
Take Good Care of the Eggs This Year 167
Growing Mustard and Water Cress on Blankets. . 204
Plowing and Pulverizing the Soil in One Operation 205
Soya Beans, a Substitute for Meat 206
Studying the Effects of Calf-Foods by Means of
Photographic Records 253
The "Pretty Maids" of a Chinese Window Garden 269
The Stationary Fruit Net 273
To Prevent a Colt from Becoming Tangled in
Halter Rope 288
An Old Cake Tin Makes a Good Watering Pan for
the Poultry Yard 300
A Plumbing System for the Farm Residence 305
Watering Plants Drop by Drop 354
Subduing the Cow's Tail 388
The Latest Tree-Trimming Ladder 407
A Tin-Pan Orchestra to Scare the Birds Away 430
A Stylish New Coat for the Baby Lamb 507
��Page The By-Products of the Grapefruit Obtained from
the Culls 555
A Little Bit of Egypt on a California Ostrich Farm 570
Let the Birds Save a Billion Dollars a Year 588
Sowing Tree Seed in the Snow 588
Gold-Plated Teeth for the Sheep Is Common in
Scotland 591
Keep Livestock Away from Railroad Tracks .... 644 A Spading Machine Which Makes Patriotic Gar- dening Worth While 685
A Pig Carries His Own Pen 698
A Portable Alfalfa Mill 698
A Homemade Plow 706
Providing a Treat for the Birds in' Cold Weather. . 728
Grooming the Horse with a Vacuum- Cleaner Mitten 746
This Is the Way They Plow in Porto Rico. . . .... 750
Hatching Chickens in Glass Globe by Electricity . 806 The War Gardens of Railroad Employees and Sta- tion Agents 893
His Majesty, the Turkey 902
Cattle-Guard Made of Cactus 905
Raising Terrapins on the Farm 906
Consider the Rat 916
ARCHITECTURE
The Door to This Siberian Home Is Located on the
Roof 101
Circular Farm Garage Built with Silo Forms 187
Roadtown — The Commuter's Utopia 188
Unique Shelter for Garden Entrance 292
Making a Durable Playhouse for the Children 300
How Sound-Proof Rooms Were Built 329
Star Spangled Banner in Brick 382
Like a Spider in His Web 561
This Store Sets a New Style in Exterior Decoration 671
Trees in the Forest One Week — Houses the Next. . 735
A Folding Staircase for the Fire Escape 839
House Numbers in Concrete 875
A Miniature Hotel with Two Thousand Rooms . . . 878
A Chimney with Windows 892
ASTRONOMY
How the Sun Looks in the Arctic Circle 164
What's on the Moon? . 256
A Laboratory Two Miles in the Air 401
How Old Is the Earth? 747
A Parsec — The Greatest Unit of Measurement. . . 807
Chained to Our Earth I 835
CHEMISTRY
A Suitcase Laboratory for the Laundryman 7
Whiskey from Jam and Potatoes 72
Mixing a Durable Water Color Aluminum Paint. . 300 Manufacturing Prussian Blue from American
Product 303
The Chemical Wealth of Some of Our Lakes 407
The Hottest Heat 414
Buttons Are Now Made as a By-Product of Beer . . 517
Getting Sulphur Without Liberating the Fumes ... 671
Indigo from Michigan 702
Powder Gases Wash Away Steel Guns . 754
Making Money Out of a Nuisance. The Industrial
Rise of Acetylene Ash 848
Oleomargarine Glorified 877
Sausage Made from Cottonseed 909
CIVIL ENGINEERING
Making Paving Machinery from Odds and End*. . 597
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