Page:Popular Science Monthly Volume 92.djvu/9

 INDKX TO VOLUME iH

��Page "Stretching" a Pound of Butter to Make Two

Pounds 539

Self-Contained Hot Water Foot Warmer 602

Circulating Air in Room to Warm It Evenly 602

How to Repair a Worn Wash Bowl Plug 611

Control Water in Bath Tub 612

Portable Smoke-House 673

An Electric Cooker for the Kitchenette 673

Keyhole Finder 677

Housekeeping Made Easy 680—681

Converting Ordinary Chair Into High Chair 706

A Baby-in-the-Tree-Top Hammock 738

Safe Ladder 744

A Simple and Effective Heat-Economizing Stove 746

Housekeeping Made Easy 840-41

You Can Carry It in Your Hand and It Saves Fuel 880 Making Window-Cleaning Safe 903

INDUSTRIAL PROGRESS

A Los Angeles Newsboy Increased Business 24

Where Your Bond Money Went 28

Weighing Goods in the Air 35

Utilizing the Garbage to Conserve the Heat Supply 38

Master Craftsmen, Navy-Made 44

Office Appliances 52

An American Fortune Spent for an English Inven- tion 79

Making Millions Out of Bubbles 82

Making Rope. 168-169

Some Unusual Occupations 1 72- 1 73

Making Jeweled Combs 175

England's Heroines Are in Her Ammunition Plants 178

Preparing Commercial Isinglass 182-183

Knit, and Let the Machine Knit Too 194

Reducing the Egg Loss Due to Breakage in Ship- ment 207

A Store That Runs Itself 209

A Machine Presses Newspapers into Bricks for

Burning 214

Little Winston-Salem Is Our BiggestTobacco Center 255 Wood Flour Is a New Product Made from Sawdust 275

Making a Ram Drive a Cream Separator 280

Making Bone Black from Scraps of Leather ..... 282 Qualities of Steel and Wrought Iron for Plumbing 283 Where Fiber May Be Used as a Fireproof Material 314 Invention of New Steel Like Military Victory. . . . 325

Packing Sardines 330

New Idea in Hospital Building 346

America Needs Potash 362

Baling Waste Paper 369

Weaving Rubber-Coated Fabric in Auto Tires. . . . 387

Office Appliances 395

Merits of the Wooden Barrel 400

Varnish and Varnishing 402

We Are Making Our Own Indigo Now 405

Wherein a Head and a Little Ingenuity Save Much

Work 409

Raising Sponges on a Bed of Cement 418

Saving Man Power in Loading Freight Cars 426

Banana Fiber Bags for Raw Sugar Containers. . . . 665

A Safety Lock for Sewing-Machine Treadles 670

The Salt Industry's Profit 673

Cost of Writing Letters 677

Separating Mixed Gas and Oil 677

A Simple Adding Machine 697

Extinguishing Fires in Coal Piles 703

Utilizing Fruit Skins 707

Office Appliances 718

Brick Manufacturers FindThis a Great Labor Saver 750 Handling Hot Firebricks with Asbestos Mittens. . 753

Old Tin Cans Figure in Milady's Costume 825

No Very Great Danger in Making Ejcplosives 832

This Press Makes Two Thousand Bricks a Day. . . 837

Making Use of Tomato Seeds and Skins 839

Ideal Industrial Loconrjotive 851

Office Appliances 852

MECHANICAL ENGINEERING

A Blind French Soldier Invents a Stenographic

Machine 6

The Largest Forging Hammer 65

Work the Brake--Quick 1 Or You'll Hit the Dummy 1 92 A Fowl and Its Feathers Are Soon Parted — With

This Machine 1 96

New Key Hole Saw Which Will Not Jam or Bind 200

A Twentieth Century Treadmill in China 205

��Page

The Brainless Drink-Mixer 205

What High Pressure Means to New York'a Fire

Department 214

Demolishing a Building with a Ball 215

Useful Mechanical Improvements 238-239

Even Milk Bottle Openers Are Problems in

Mechanics 247

Cleaning Five Hundred Blackboard Eraaers at a

Time 249

Punching Holes in Steel Plates 251

Driving Eight Hundred and Fifty Rivets a Minute

in a Trunk 26 1

Cooling Engine Water in Wooden Chimneys 264

How Tools Are Doing Their Bit 265

"Transfer, Please," Is Answered by an Automatic

Machine 267

Shut Yourself Up in Your Can-Bed for the Night 268 Mercury Used for a Thrust Bearing on an Upright

Shaft 291

Steaming Frozen Coal Out of Freight Cars 345

Carrying Off Smoke and Foul Air in the Same

Smokestack 352

Fire-Escape Elevator 355

Mechanical Helps 394

U.S.S. New York Made of Pipes and Fittings 400

Wherein a Head and a Little Ingenuity Save Much

Work 409

New Attachment Gears Up Bicycle 427

Wrapping Taffy by Machine. 317

Mechanical Helps 542

It Eats Nickels and Hlimes and Counts 'Em Too. . 568

A Pair of Socks Every Thirty-five Minutes 685

Heating Tar and Gravel Separately but in One

Operation 697

Mechanical Helps 719

Grading Machine Does Work of 125 Men 731

Paint That Barn by Machine 746

Flexible as India Rubber but Stronger 755

Saws Without Teeth to Cut Through Metal 824

Unloading Freight Cars by Machinery 833

Building a Subway Under a Subway 844

Mechanical Helps 853

Wafting Five Tons About as Though They Were

Thistledown 876

This Moving Van Loads from the Side 876

Holding the Screw to the Screw-Driver 897

Flexible Coupling Takes Side Strain Off Shafting. . 908 Making Water Pump Itself 919

MEDICINE, SURGERY AND HYGIENE

Makes Every Glass a Sanitary Drinking Cup. 4

Why Do You Laugh When You Are Tickled? 31

Curing Soldiers' Hysterical Deafness 68

Dentistry in the Army 77

What Spinal Fluid Tells About Health 97

Bacteriological Laboratory on Wheels 103

Novel Medicine Cover 104

A Chance for the One-Armed Veteran — Let Him

Become a Dentist 167

Horse-Dentistry Is a Pleasing Profession 184

The Illuminated Skeleton Teacher 208

Soothing Our Soldiers Electrically 210

Ears Rust Out More Quickly Than They 'Wear Out 219 There Is an Increasing Wastage of Adult Life. . . . 276 The Diseases for Which Man Blames the Beasts. . 280

The Germs in a Swimming Pool 327

Ventilated Costumes for Use in the Arctic Circle. . 344 Wire Netting Instead of Wood for Surgical Splint. 350

Glasses That You Can Wear in Comfort 351

Mike Has a Nose of Brass, but He Should Worry. 352 Ingenious Light Which Physician May Hold in His

Mouth 353

Bubble Fountain 425

The War Is Causing a Decrease in Lunacy 425

Cultivating Nerve by the Rope Bridge Route. . . . 434

First Camphor Plant ation. . 504

Safety Bottle for Poisons 504

Inflicting Pain to Resuscitate Victims of Electric

Shock 552

We Shall Eat When We Grow Old 552

A Thousand Dentists Will Be in the Army 569

A Side Piece for Eye Glasses which Will Not Break 579

Rejuvenating Soiled Absorbent Cotton 584

Two Boards Studded with Pins Make Bandage

Folder 595

If You Work Hard, Eat More Pancakes 600

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