Page:Popular Science Monthly Volume 89.djvu/7

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Volume 89 — July-December, 1916
AERONAUTICS	PAGE
Yachting in the Air	22
Aeroplane Dreadnoughts	75
Torpedoing a Submarine from an Aeroplane	323
The Wastage of Flying Machines in the Great War	377
War Progress in Flying	523
Testing the Air-Fighter's Nerve	580
Testing the Lifting Capacity of Balloon Fabric	586
Introducing Our First Anti-Aircraft Gun	657
The One-Man Aeroplane Which a German Boy Is Building	695
The Sentinels of the Sky Above the War Zone Trenches	839
Making the Aeroplane Generate Its Own Power for Wireless	842
Faster Than the Fastest Express Train	865
AGRICULTURAL SCIENCE
An Instrument for Plucking Flowers	19
A Workshop on Every Farm	55
A Flower Bed on Top of a Rock	56
A Unique Garden-Hose Holder	56
Conelike Flower-Holder in a Brick Wall	63
Filling Trenches by Machine	94
The Milk-Can Trolley	100
Chickens Feed Themselves on the Run	110
Measuring Rainfall on the Farm	160
Uncle Sam Says Miraculous Wheats Are An Old Delusion	166
Threshing by Night Under Electric Light	166
Whv the Gasoline Engine Keeps the Farmer Boy at Home	175
Hitching the Mower to the Farm Automobile	182
Accelerating the Fruit-Picker with a Picking Harness	185
A New Garden Duster Which Uses Dry Spray	195
Plants on National Forest Ranges Which Kill Cattle	252
A Giant Cypress Tree Village in Paris	267
A Painless Way of Killing Chickens	294
A Simple Home-Made Milking Stool	299
Chick Mash Box	301
Improving the Hog's Table Manners	306
Uses for Wire-Glass on the Farm	308
Raising Parasites to Fight Pests	368
The Floating Vegetable Gardens of Mexico	384
A Garden Tractor which Does Everything but Mind the Baby	410
Rolling, Harrowing and Seeding with One Machine.	417
A Weed Destroyer from a Spoon and Broom-Handle	468
A Portable Colony Poultry House	476
A Cozy Southern Farmhouse	479
An Easily Made Self-Locking Device for Barn-Doors	614
A Combined Farm Implement Shed and Machine-Shop	640
The Largest Duck Farm in the World	662-663
The Handiest Bam Ever Built	675
A Humane Method of Destroying Horses	684
Cleaning and Sorting Beans by Machinery	686
Teaching English Girls the Art of Milking	738
Branding Animals with a Clamp-Button Monogram	747
An Alarm-Clock Dinner Bell for Old Dobbin	779
An Automatic Grain-Valve to Prevent Waste	780
Tropical "Snow Drifts" of Cheesecloth	819
An Adjustable Steering Device for the Tractor	832
Sheep May Not Like This But It Saves Time	855
Separating the Rooster from His Crow	868
Warning Herdsmen of Storms	893
Are You Paying for Your Farm or Is It Paying for Itself	893
Indoor Tomato Plants Fifteen Feet High	895
Valuable Products from Cherry Pits	895
An Anchored Hen House	912
Plans of a Small Modern Dairy Barn	960
ASTRONOMY
Curious Set of Features Are New Markings on Mars	225
Lost Comets	504
Is Jupiter Launching a Moon?	678
Studying the Stars with Mirrors	908
AUTOMOBILES AND ACCESSORIES
Automobile Scale-Demonstrator	6
A Duck-Boat as an Automobile Top	14
Portable Electric Tire-Inflator	26
Keeping Things Cold in a Real Automobile Refrigerator	27
A Record Motor-Truck Load of Barrels	27
How One Ford Got Up in the World	28
How Automobiles Innocently Break Windows	31
How an Automobile Engine Tests Water-Mains	48
What Make of Car Is It?	72
The Possibilities of the Ford Chassis	84-85
Semaphore Signals for Automobiles	114
Using Gates to Lessen Danger from Truck-Trailers	116
Lapping a Scored Automobile Engine Cylinder	124
A Handy Hook for the Automobilist	125
Trend of Motor-Truck Design Toward Worm Drive	159
An Air-Propelled Automobile for Three Dollars	173
The Reinforced Concrete Principle Applied to Automobile Tires	182
Automobiles. Motor Trucks and Accessories	186-189
Moving Guns with an Electric Battery Crane-Truck	231
Automatic Flagmen to Warn Motor-Car Drivers	242
A Gasoline-Electric Automobile	253
Lubricating Your Automobile	262
Starting Your Automobile with Ether	307
This Automobile Seat Serves as a Waiting Room	332
Economizing Gasoline for Automobiles	355
A Shim for Adjusting Plain Bearings	355
Automobiles, Motor-Trucks and Accessories	356-357
Fifteen Motor-Trucks in One	358
When the Horse Tops It Over the Automobile	360
Railroad Treads for Motor-Trucks	391
Motor-Trucks to the Rescue in a Freight Embargo	412
An Electric Motor-Chair	412
A Six-Wheel Automobile	430
Wiring the Ford for Magneto and Battery	442
Pumping Gasoline to the Motor	508
The Motorcycle Machine-Gun	529
Automobiles, Motor-Trucks and Accessories	540-543
"Troubleshooting" at Night	544
A Motor-Truck That Equals Two	545
The Wiles of the Automobile Thief	560
A New Gasoline-Motor-Driven Road Roller	561
Motoring on Roller-Skates	569
A Six-Mile Trip Through a Sewer on a Motor-Cycle	574
The Sidewalk Coaster Becomes an Automobile	592
Making Automobile Wheels Track Correctly	593
Quickly Adjustable Automobile Fan-Belt Fasteners	604
Loading Small Luggage on the Outside of the Car	605
How Piston-Ring Defects Have Been Overcome	605
Lightening Automobiles with Aluminum	606
Operating the Oil-Pump of an Automobile by Valve Action	615
A Watch-Carrier for the Motorcycle Handlebar	615
Easily Attached Shock-Absorber	618
How to Avoid Excessive Oiling in Cylinders	620
Spark-plugs Tested Without Removal	621
A Washstand Light for Garages	645
Charging Weak Magnetos of Weak Automobiles	672
A New Brake Which Makes Trucks Safe	685
Rubber-Ball Fender to Protect Unwary Pedestrians	685
Recording the Vibrations of a Motor-Truck Spring	688
When You Leave the Automobile, Lock the Robes!	699
Automobiles, Motor-Trucks and Accessories	700-703
The Automobile Street Car	724
Breaking a Mountain Trail	740
A Motor-Wheel for the Railroad Velocipede	742
Automatic Word Signals for Automobiles	746