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Popular Science Monthly/Volume 89/Index


I N D E X.



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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
Why 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

Timing an Automobile Race 753
Backing an Automobile into a Moving Garage 755
Constructing a Sidecar for a Bicycle or Motorcycle 765
Fillers for the Pedal Slots of Automobiles 783
Lubricating Automobile Spring Shackles and Bolts 783
Estimating the Speed of Passing Automobiles 784
Making a Sediment Pocket in Feed Line to Carburetor 784
Caring for Storage Batteries on Automobiles 792
Novel Method of Drive for Light Cycle-Cars 806
Timing Automobile Speed Demons 806
A Wonderful New Glass Which Cannot Be Shattered 811
An Automatic Safety Fender Sets the Brakes 836
A Floating Road for Automobiles 864
The Intelligent Motor Milk-Wagon 869
Twelve Cylinders or Six in One Car 872
Plowing Snow with Your Automobile 882
Automobiles, Motor-Trucks and Accessories 888 — 891
An Automobile Pump Drive from the Rear Wheel 895
The Tiniest Motorcycle to Be Used in the Army 896
Preaching the Gospel from an Automobile 906
Tank Trucks as Tenders to Submarines 906
Testing the Strength of an Ostrich 907
A British Motor-Bus Run on Coal Gas 912
A Motor-Driven Brake 914
Wire Wheels for Automobiles 915
Combination Lamp and Horn for the Motorcycle 920
Automobile Carbureter for Heavy Fuel Oils 936
BOATING
Your Mainsail and the Wind 49
Forty Miles an Hour on the Water 83
How to Run a Motor-Boat 112
CHEMISTRY
Asphyxiating a Fire with Sulphur 884
Producing the Coldest Cold 916
A Quickly Made Silver-Platng Powder 937
How to Handle Sulphuric Acid with Safety 945
CIVIL ENGINEERING
The Destruction of the Exposition City 8-11
A Ticklish Moment 29
"Ironing Out" Earthquake Wrinkles in San Francisco 31
An Inverted Steam Hammer for Drawing Piles 53
Saving Hours in Handling New York Subway Dirt 54
An Excavator Which Walks 61
Electrifying the Clam-Shell Bucket 87
Making Water Pump Itself 98
A Damaged Lock Gate Repaired by Its Own Water 234
Lowering a Bridge Without Blocking the Traffic 240
Uncle Sam's New Dam at Elephant Butte 259
A Substantial Cableway Built from Scrap Material 327
The Senators' Subway 328
Bagging Rivet Heads with a Butterfly Net 333
Blowing Concrete into Place 411
Safeguarding the Sand Blaster 418
Building a Bank Around a Bank 485
Holding the Hudson at Bay 537
Road Construction Facts by the Wayside 544
Solving New York's Freight Problem 546
Ten Millions to Save Four Miles 553
Transforming a Beauty Spot into a Public Utility 574
A Bridge Five and One Half Miles Long 583
Strenuous Search for Durable Roads in a St. Louis Park 672
Giant Slabs of Marble to Commemorate Abraham Lincoln 689
Meerschaum as a Building Material in Spain 689
Boring Straight by Photography 720
Quebec's Disastrous Bridge 728
Cleaning Sewers from the Street 838
The Old-Fashioned Heavy Paving-Block Gives Place to a New Form 844
Taking the Temperature of a Dam 866
ELECTRICITY
Welding Soft Metal to Hard 17
The Voice Typewriter 65
An Exciter for Electroscopes 135
Interference of Lighting Circuit by Static Electricity 135
Rejuvenating Electric Lamps 135
A Wet Battery from a Dry One 135
Electric Striking Mechanism for Mission Clocks 137
An Electrically Operated Device for Lighting Gas 141
How to Make an Attachment-Plug 142
A Model Electrical Hammer 142
How to Make an Electric Shaving-Mug 143
Testing Electric Lamps Quickly 144
Using Cartridge Shells for Electrical Contacts 144
A Hoop with a Guiding Hub 152
Perfuming and Cooling the Air with An Electric Fan 175
The King of New York s Lighting Spectacles 177
A Tool for Buffing, Drilling and Grinding Metal Surfaces 192
Toying with High Tension Currents 248
A Home-Made Edison Battery 276
A Clever Window Display 277
Five Examples of Alarm Work 279
Rectifying Alternating Current 283
Making an Electric Fire Alarm 284
Cutting Glass-Tubing by Electricity 311
A One-Eyed Mechanical Stenograptier 335
Why You Could Not Get Your Man on the Wire 371
An Electric Motor-Chair 412
A Convenient Arrangement for Turning on the Hall Light 442
Wiring the Ford for Magneto and Battery 442
A Simple Way to Construct a Ten-Ampere Shunt 443
Controlling Temperature and Humidity at the Same Time 444
Electric Substitute for the Latch-key 444
Making an Induction Coil 446
Magnet Winder 446
Dry Cells and Their Voltage 446
Utilizing Broken Marble Pieces 446
How to Rid Your Yard of Cats 447
To Stop the Milk Thief 447
A Simple Primary Coil 452
A Heat-Resisting Socket for High Wattage Lamps 511
Pocket-Flashlight Distress-Signals 520
A Hand-Magnet That Lifts Fifteen Times Its Own Weight 536
The Czar of the Power-House 555
A New Electric Cloth-Cutter for Small Shops 564
The Electrical Scrub-Woman — Brainless but Efficient 566
Small Electric Pump for Draining Seepage from a Cellar 567
A Voting Machine for Congress 582
Flood Lighting Niagara 584
The Nic:ht Eyes of the Coast Artillery 586
A Warning to Fishermen 590
A Photographic Printing-Box for Use with Electric Current 601
A Simple Tracing Method for Electrical Draftsmen 606
Tapping Field Telephone Wires 622
Tracing Initials on Tools with Electricity 632
Saving the Picture Show with a New Rheostat 633
A Combination Front and Back Door Alarm-Bell 634
Electric Burner for Making Storage-Battery Connections 634
To Change a Gas Lamp into an Electric Light 635
Lighting an Oil-Stove with an Alarm-Clock 635
A Simple Electrical Device for Purifying Water 638
Lifting Street Cars with a Powerful Electric Hoist 673
Electric Hand Lantern Costs Less than a Kerosene Burner - 681
Electric Ranges Are Becoming Popular 681
Electrolytic Extraction of Gold from Black Sand 680
Look Out Perhaps the Man You're Talking to Wears a Detectaphone 687
Protecting the Telephone Operator 706
Telegraphing Through the Ocean 711
Toys That Obey Your Voice 718
Miniature Magnet-Propelled Ships 757
Hearing Your Voice Through Your Bones 142
Manhole Ventilated with Electric Fan 748
Reducing the Furnace Man to a Mere Push-Button 751
A Magic Wand Which Changes Cold Water into Hot Almost Instantly 752
The Electric Thief-Catcher 756
How Electricity and Temperature Affect a Watch 761
A Hallowe'en Chamber of Horrors 777
An Improvised Coil Winder for Electrical Apparatus 787
A Home-Made Fuse for a Small Battery Current 793
Amateur Trench FJcctricians 794
A Danger Signal Used to Direct Attention Overhead Perils 829

An Extension Reel for Electric Lamps 843
An Electrically Heated Foot-Board for the Policeman 683
Determining the Intensity of Illumination by a New Measuring System 913
Making an Electrically Heated Soldering Iron 947
An Electric Burglar Alarm Attached toa Door-Lock 947
A Dead End Switch of the Multiple-Point Type 948
A Salt Water Polarity Indicator Made from a Burned Out Fuse 952
An Electrically-Operated Recording Weather Vane 952
Operating Furnace Checks and Drafts by Electricity 954
HOUSEKEEPING MADE EASY
An Improved Vegetable Slicer 107
Housekeeping Made Easy 111
Why Young Girls Don't Leave Home 232
Keeping Food Without Ice 293
Make Your Own Lazy-Betty 299
Improving a Towel-Roller 301
String Holder and Cutter 306
Handy Folding Kitchen Tables 309
Housekeeping Made Easy 372
Cleaning Gloves Economically with Benzine 409
Converting Sun-Parlor into Bedroom 427
A Towel Holder 458
A Convenient Shoe-Rack 459
An Easily Constructed Holder for the Broom 468
A Screen Door-check 477
How Do You Sit? 551
Bathing in Your Trunk 557
Housekeeping Made Easy 558
Using the Steam Radiator to Remove Wall-Paper 564
The Electric Scrub-Woman — Brainless but Efficient 566
Trundling Your Washing-Machine on Wheels 566
Why Isn't This Used Instead of Hooks and Eyes? 575
Repairing Worn Wheels of a Carpet-Sweeper 601
A Scheme for Keeping Pictures Hanging Straight 608
A Clothes-Rack foi Use Indoors and Outdoors 603
Protecting the Gas Range with a Wind-Shield 618
Turning tfie Stationary Tub into an Electric Washing Machine 647
Electric Ranges Are Becoming Popular 681
Housekeeping Made Easy 690
Water-Heating Garbage Burner 698
Doing the Family Washing in Your Rocking Chair 738
The "Permanent Wave" of a Woman's Hair and Its Secret 743
Reducing the Furnace Man to a Mere Push-Button 731
A Comfortable Electric Foot-Warmer Pad 752
A Foot-Warmer Attachment for a Radiator 761
How to Straighten the Crooked Straws of a Broom 775
A Heater for Use Over the Flame of a Gas Jet or Kerosene Lamp 855
Housekeeping Made Easy 858
Removing Old Starch from Clothes by a Malt Extract Bath 913
HOW THE WAR IS BEING FOUGHT
War Pictures 32
When the Fighting Man Dreams 53
Locating Guns by Delicate Earthquake-Detectors 178
Submarine Destroyers 180
War Pictures 208
Experimenting with Liquid Fire 208
Firing with Heavy Artillery at an Enemy You Can't See 226
War Pictures 336
The Wastage of Flying Machines in the Great War 377
"Shooting" a Photograph with a Pistol-Camera 408
A Modern War Relic 425
Fitting Penholders to Crippled Hands 435
War Pictures 487
How London Cares for Soldiers' Babies 502
How the Firing of Heavy Guns Affects Animals 576
Detecting Enemy Submarines from a Ship's Look-Out 579
INVENTIONS TO MAKE LIFE EASY
Adjustable Kettle-Cover 113
Hammer for Onc-Armed Man 113
Handling the Cord of Electric Irons 113
At Last! A Lock for Slipping Rubbers 113
A New Way of Directing the Breeze of a Fan 113
A Suit-Shaker Which Will Not Clog 113
An Adjustable Golf-Tee Board 114
Combined Penholder and Blotter 114
Saw Cuts Square Hole 114
Semaphore Signals for Automobiles 114
Skinning the Slippery Eel 114
Why Fall Down in Your Bath-Tub? 114
At Last! A Machine Which Irons Skirts Without a Murmur 184
Keeping Cool with a Fan Driven by a Hot-Air Engine 246
A Fancy Shoe-Lace Cover 270
A Heater for the Parlor Lamp 270
Pipe Loaded from Stem 270
Automatic Roller Bearing 270
A Spoon That Can't Slip 270
Spout Attachment for Bottles 270
Aluminum Billiard Cue 271
Automobiling with a Bicycle 271
Beating the Dentist to It 271
A Cure for Butter Fingers 271
Facilitating Speed in Writing 271
A Swatter for High-Fliers 271
Shoes of Esparto Straw which Outwear Leather 375
Escaping the Barber's Fingers 432
Collapsible Tooth-Brush Case 432
Keeping the Baby's Bottle Just Right 432
A Pipe with a Cleaning Wick 432
A Detachable Massage Brush 432
A Mechanical Oyster-Opener 432
Holding Asparagus in the Can 433
Adding Dignity to Condensed Milk Cans 433
Putting Ejchaust Gases to Work 433
Reducing Eye-Strain 433
Handle and Cover for Milk Bottles 433
MECHANICAL ENGINEERING
Revolving Portable Elevator 165
Coaling a Liner with An Elevator 206
A Giant Grinder Which Goes to Its Work 240
How Heat Is Measured with the Eye 330
New Kind of Lawn Sprinkler 332
Loading Guns by Pneumatic Tube 334
The Paving Blocks of Paris 352
Sorting and Packing Apples by Machinery 363
A Low Water Alarm for Boilers 370
Locomotive Runs Three Hours on Charge from Boiler Plant 370
A Typewriter Made Especially for the One-Armed 371
A Locomotive that Burns Pulverized Coal 376
Keeping Watch on the Chimney 378
The "Spinning Whejpl" Gun 397
One of the Pranks of the San Francisco Earthquake 416
Why Not Make Rain Work? A Chance for a Rain Motor 419
Smoothing Sidewalks by Machine 426
The Preeminence of American Inventive Ingenuity 427
Belt Shifter Protects Workmen 434
A Curious Clock Built on a New Principle 511
Putting Wheels Under Workmen 514
Harnessing the Sun 513
A Machine-Shop in a Diving-Bell 577
Preventing Ships from Rolling with Fly Wheels 591
Cleaning Crown Bottle-Corks in a Portable Hopper 592
A High-Speed Bit That Bores Without Choking 647
Let a Puff of Air Do It 664
Air Is Stronger Than Arms 665
Dummies That Dance and Play 666
Dual Power. Portable Hoisting Machine of Compact Design 674
A Modern "Newspaper Maker" 676
A Simple Instrument Which Measures the Height of a Tree 696
To Protect the Fingers of the Woodworker 705
Combined Velocipede and Hobby-Horse 715
Felling Trees Automatically with a Mechanical Swordfish 715
A Water Curtain Used on a Heating Furnace 726
The Inventor of the Steam Engine Was Interested in Gim-Cracks 739
Saving Gold and Silver on the Vacuum-Cleaner Principles 750
This Ice-Cutting Machine Takes the Place of Eight Horse-Teams 810
Preventing Boiler Troubles by Mechanical Cleaning 811
An Adjustable Steering Device for the Tractor 832
A Mechanical Printer for Facsimile Letters 836