Popular Science Monthly 



INDEX 



Volume 92 January -June, 191(S 



AERONAUTICS Page 



Teaching Airplane Pilots 50 



The Albatross 55 



European Airplane Models for American Manufac- 

 ture 66 



Taking Signals from Airplanes I 74 



Sending Sound Bombs in the Air to Warn London 



of Air Raids 1 76- 1 77 



Non-Flying Air Service Needs Radio Men 197 



Map of Airplane Routes Across the U. 3 270-27 I 



Fighting Off Aviators with Shotguns 365 



Teaching Flyers to Fight 370 



Baring the Superzeppelin's Secrets 372 



Tightening Airplane Wires by Tuning Fork 406 



Hurrah! Mother May Have to Find a Substitute 



for Castor Oil 409 



German Night-Moths and Their Guiding Flames . . 416 



Enlist in U. S. Air Service 425 



Reducing the Weight of the Airplane Engine 427 



Netting the Airman . 483 



The Eyes in tne Air 508 



Dropping Death from the Skies 518 



Now Appears the Elephant of the Air 528 



Conquering the Pole by Airplane 572 



Spotting Submarines from Balloons 578 



The Air Pilot's Flying Log Book 580 



"Mothers " for Airplanes at Sea . . 590 



Caging the Airplane Propeller in Case He Gets Too 



Wild 593 



Two Hundred Aviators Lost in Year 594 



Using a Ford as an Airplane-Tender 643 



Portholes in an Airplane Hull 666 



Airplane Dives Through Balloon 690 



Wind. Weather and the Airman 722 



The Life of an Airplane Is Short 749 



Protecting Aviator's Camera Bellows 750 



Braking an Airplane While Flying 754 



Air Raiders Don't Like These Lights 825 



The Penguin Seaplane 856 



Parachute Breeches 857 



Parachute Safety Device for Airplanes 898 



How the French Developed a New Battleplane ... 916 



AGRICULTURAL SCIENCE 



The Miniature Farms and Vineyards of France. . . 95 



Bury the Coffee-Grounds in the Garden 105 



How the First Potatoes Were Popularized in France 105 



Burning the Roots of Stumps Out of the Ground. . 110 



Growing Gourds in New Jersey I 70 



Ashes from Burned Wood Make a Good Fertilizer 200 

 Tapping L'nderground Streams to Convert the 



Sahara into a Flower Garden 251 



Another Use for Tree Roots 252 



The Pig Subway and Why It Was Invented 263 



Gasoline Engine Used to Load Sugar Cane 363 



Wooden Shoes for Horses So They Can't Sink Into 



Mud 363 



Plowing by Electricity 389 



This New Self-Loading Wagon Makes Road Grad- 

 ing E.asy 407 



Making the Gopher Shoot Himself 427 



An Antique Chinese Water- Wheel Irrigates a 



Modern Colorado Orchard .' 429 



Raising Birds for the French Hunter 432 



French Inventor Improves the American Harvester 437 



First Camphor Plantation 504 



The Amazing Nanny 575 



An Effective Method of Weaning a Calf 589 



A Sweet Potato Digger 589 



These Home-Made Tools Save the CosI and Keep 



of a Horse 598 



Gromng Potatoes in a Box 668 



[Page 



Hoeing Machine Does the Work of Four Men. . . . 679 



The Richest Food in the World 686 



Onc-Man Tobacco Planter 695 



An Automatic Poultry Feeder 706 



It Walks Through the Field, and Drags a Plow. . 732 



The "Tappoon" — -a Portable Flood-Gate 735 



The Tree in the Barn 736 



Dynamiting Animal Pests 736 



The Farm Tractor in Road Building 737 



Trapping the Wise Old Crow 737 



Kill Weeds with Gasoline 739 



Efficient Garden Rake 739 



Killing Bugs with Dust 743 



The Traveling Brush-Burner 748 



Picking Cotton with a Vacuum Cleaner 756 



A Water-filled Roller . . , 834 



Making Money Out of Rabbits 835 



Catching Grasshoppers by the Bushel 838 



Individual Protective Housing for Delicate Plants 848 



Soap and Fertilizer from Dead Locusts 848 



Submarine Saws for Water Weeds 861 



Plowing with Coal-Gas on English Farms 862 



Making It Easy for Old Dobbin to Eat 879 



Every Farmer May Be His Own Soil Chemist 896 



Kneeling Made Comfortable by This Pad 909 



Making a Wind-Proof, Rain-Proof Chicken House 914 



The New Dandelion Extractor 917 



Making a Gas Attack on the Pesky Ground Squirrel 918 



ARCHITECTURE 



Whetting Public Curiosity — A Real Estate Dealer's 



Ruse 24 



A House with Hanging Walls 59 



An Open Fireplace on the Veranda 107 



The Collapsible Metal Telegraph Pole May Re an 



Ornament — Not an Eyesore 112 



The Narrowest Store 117 



Ancient Cliff Dwellers in the Mssa Verde 180-181 



A Modern Recreation Building 212 



Ventilating Huge Building 256 



New Idea in Hospital Building 346 



Standpipes with a Concrete Shell 391 



Removing Church Steeple to Make Room for Sky- 



ScTaper 420 



An Automatic Window Closer 506 



Using Minstrels to Sell Automobiles 529 



Sample House in a Suit Case 549 



Use Fruit Trees Instead of Shade Trees or Even Ivy 596 



Camouflage Lions 671 



Combined Garage, Tennis Court, etc 683 



Combination Store Front and Awning 684 



Wide Window Casements 704 



Homes for War Workers 740 



Introducing the Busy Honey Bee — Ecclesiastical 



Architect 824 



Here Is a Zigzag Platform for Loading Wagons. . . 864 



Mexican Corn Bins Look Like Sugar Loaves .... 870 



This Is a Farm Gate — No Doubt of That 872 



A Camouflaged Well-Curb 896 



The "Little Church of the Flowers" 906 



ASTRONOMY 



Seeing a Trillion Miles 47 



What Are Shooting Stars? 63 



Canopus — A Mighty Celestial Furnace 234 



Why Is the Sun Bigger on the Horizon? 23 7 



They Can Always Borrow a Few Fine Names from 



the Patent Medicines 324 



When the Moon Darkens the Sun 849 



Thirty Million Collisions in a Day 915 



