Page:Popular Science Monthly Volume 88.djvu/23

 INDEX TO VOLUME 88

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The Dog as a Carrier of Disease 510

A Fresh-Air Tunnel for Your Bedroom 553

Science and the Criminal 555

Cane Holds Doctor's Medicines 563

Pure Water for Six Hundred Thousand People. . 580

Handy Instrument for Physicians 658

Fumigating Has Improved, but Are We Less Afraid

of Germs? 663

Fumigating Tank that Contains R. R. Coach. . . . 664

Sleep Outdoors in This Hotel 669

Disinfecting School Pencils 694

Twitching Muscles by Means of the Electric

Current 699

The Modern "Horse Doctor " at Work 721

Sanitary Refreshment Tables 729

When Should Children Be Held Upside Down?. . . 739 Three-Quartersof Humanity Are Deficient in Lung- Capacity 745

Straightening a Baby Llama's ICnock-ICnees 856

A Whipping Machine to Cure Nervousness 862

X-Rays and the Law 879

MINES AND MINING

An Oil Well Fire That Burned Four Months 3

Oil Is Cheaper Than Coal 18

A Miner's Safety-Electric Lamp 28

Still Enough Coal 79

Nature's Horde of Solid Silver 87

A Piece of Salt That Weighs Two Hundred Tons. , 1 79

Inspecting the Inside of the Earth 232

With the Forty-Niners 267

MOTION PICTURES

A Sandstorm to Order 24

Five Thousand Dollars a Minute 64

Risking His Life to Make a Motion Picture Play. . 65

A Machine That Thinks Up Movie Plots 210

Motion Pictures on the Firing Line 23 I

Wandering Motion Pictures 382

Why Do Moving Pictures Seem So Life-Like? . . . . 386

Capturing Jamaica for a Film Play 396

An Automobile Dressing-Room ror a Motion Pic- ture Actress 554

Expense in Motion Picture Making 570

Motion-Picture Silhouettes 665

More Motion-Pictures in Color 717

The Screen-Player's Make-Up 733

Hazards of Motion-Picture Acting: Real and

Faked 885

MOTOR-TRUCKS

Motor-Truck's Energy Runs a Pipe-Threader. . . . 880 Motor-Trucks Take the Place of Horses 898 901

NAVAL ARCHITECTURE AND NAVAL SCIENCE

Enlisted Men: The Navy's Foundation 171

Our Thirty-five Knot Battle Cruiser 186

PATENTS FOR SIMPLE INVENTIONS

Reading in Bed Made Easy 702

Finger-Ring to Be Used as a Pencil Holder 756

A Clothes Pin with a Sandow Grip 756

Keeping the Heat Out of Milk Cans. . . •. 756

An Electric Whirlpool to Suck Flies to Their Doom 756

A Single-Service Shaving Brush 757

Adjusting the Big Shoe-Stand to the Little Boy. . 757

Finger-Holds for Your Slippery Bath-Tub 757

Does This Solve the Refilling Problem for Fountain

Pens? 758

A Sled for Lawn-Spiinklers 758

This Toothbrush Can Be Used Only Once 758

Brushing Away the Tacks 758

PHOTOGRAPHY

It Looks Like a Telescope, but It's Really a

Camera 225

Handy Dark-room Lamp 263

Is This Actual Color Photography at Last? 417

Fun with Pictures of Your Friends 329

Taking Photographs from a Skyrocket 670

How to Make Spirit Photographs 719

A Substitute for a Condenser When Making En- largements 763

A Device for Numbering Photographic Plates and Films 852

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Submitting Photographs for the London Exhibition 852

A Camera Which Can Be Tilted at Any Angle. . . 889

A Portable Dark-Room for Photographers 903

PRACTICAL WORKERS

A Radium Lightning Rod 1 23

A Glue Scraper 1 24

An Emergency Hack Saw 1 24

Differential Gear for Home-Made Tractors and

Cycle-Cars 124

A Useful Home-Made Glue Brush 1 24

An Effective Window Lock 125

To Make Small Springs 125

How to Case Harden Iron 125

Files and Tools from Switch Handles 125

A Handle for a Small Bit or Drill 125

An Easily Made Marking Gage 125

Home-Made Drill Press I 26

How to Get the Most from a Football 126

A Help in Wire-Twisting 1 26

Ground Detector for Three Wire Circuit 127

Ingenious Circuit Saves Money in Photoplay

Houses 127

A Novel Medical Battery I 28

A Combined Triangle and Protractor 128

A Drawing Cutter 1 28

Overhauling Your Car for the Winter 129

To Make a Work Bench and Vise 139

A Sprinkling Can as a Dark Room Lamp 140

An Adjustable Arc Lamp 1 40

Alcohol. Burner 140

Adjustable Printing-Frame Holder 140

How to Build an Ice Boat 141

How to Draw an Eclipse 1 42

A Doorstep Burglar Alarm 142

A Simple Laboratory Burner 142

Waterproofing Shoes '42

The Danger of Safety Tin Boiler Plugs 246

A Lens That Remains in Focus 259

Makeshift Polarity Indicator 260

For Cracks and Holes 268

To Prevent Bolt from Turning When Unscrewing

Nut 275

Saw Box 275

Potato Roaster for Campers 276

An Electrical Peddler Chaser 276

Prevents Casks Slipping While Unloading 276

An Electric Toy Semaphore 277

Saving Time in Tracing a Design 278

Enlarging a Runabout's Capacity 279

A Non-Spillable Funnel 279

Mat-Making for Photographers 279

Shock Absorbers 280

Key Controls Battery Current 281

Eliminates Pants' Guards for Bicycle Riders. ... 281

An Ingenious Electric Connector 282

A Self-Lighting Arc Light 282

Bending Brass Tubes Without Kinking 282

Enlarging Without Dividers 282

How a Jack Knife Can Be Used as a Compass. . 282

A Try-Square Aid 281

To Prevent Rust 282

Rinsing Photographic Negative* Without Runnmg

Water 283

A Mysterious Motor 283

Small Screws in Difficult Places 283

Fuse for Storage Battery Circuits 284

Filter for Lubricating Oil 284

A Good Belt Compound 285

A Capacity Job. ^ 28l

A Way of Fastening Machme Parts ^03

Substitute for Large Gas Reservoir 285

Ice Skates Make Shoe-shining Stand 285

Sleigh Attachment for Perambulators 286

Drilling Holes in Glass 286

Prevents Insulation Unwmdmg 285

Hydraulic Blowing Arrangement 287

The Care of Paint Brushes 288

Lengthens Life of Blow-Torch Burners 288

Renewable Fuses 288

Emergency Bolts. -, _ iSS

Binding Magazmes mto Book Form ^OV

A Self-Adjusting Sandpaper Block. . . . 293

A New Use for Broken Drills and End Mills 293

A Handy Way to Repair a Tire 293

A Home-made Football Inflater 29 4

A Dust-Proof Bottle for Acid 294

A Multiple Punch 294

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