IM)i:X TO VOLl'ME 8!) 



Page 



An Extension Reel for Electric Lamps 843 



An Electrically Heated Foot-Board for the 



I^oliceman 683 



Determining the Intensity of Illumination by a 



New Measuring System 913 



Muking an Electrically Healed Solderin" 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 



Burncd;Out Fuse 952 



An Electrically-Operated Recording Weather Vane 952 

 Operating Furnace Checks and Drafts by Elec- 

 tricity 954 



HOUSEKEEPING MADE EASY 



An Improved Vegetable Slicer 107 



hiousekeeping Made Easy Ill 



Why Young Girls Don't Leave Home 232-233 



Keeping Food Without Ice 293 



Make Your Own Lazy-Betty 299 



I mproving a Towel-Roiler 301 



Siring Holder and Cutter 306 



Handy Folding Kitchen Tables 309 



Housekeeping Made Easy . . , . , . .372-373 



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 Dc You Sit? 551 



Bathing in Your Trunk 557 



Housekeeping Made Easy ... 558-559 



Using the Steam Radiator to Remove Wall-Paper 564 

 The Electric Scrub- Woman — -Brainless but Effi- 

 cient 566 



Trundling Your Washing-Machine on Wheels . , 566 

 Vt'hy 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 Wash- 

 ing Machine 647 



Electric Ranges Are Becoming Popular 681 



Housekeeping Made Easy 690-691 



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 73 1 



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 — 859 



Removing Old Starch from Clothes by a Malt 



Extract Bath 913 



HOW THE WAR IS BEING FOUGHT 



War Pictures 32-47 



When the Fighting Man Dreams 53 



Locating Guns by Delicate Earthquake-Detectors 178 



Submarine Destroyers 1 80 



War Pictures : . 208-223 



Experimenting with Liquid Fire 208 



Firing with Heavy Artillery at an Enemy You 



Can't See 226 



War Pictures 336^351 



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 487-495 



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 E,lectric 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 



Page 



An Adjustable Golf-Tee Board 114 



Combined Penholder and Blotter 114 



Saw Cuts Square Hole 114 



Semaphore Signals for Automobiles 1)4 



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 27 1 



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 4 1 6 

 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 Com- 

 pact 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 Inve:itor of the Steam Engine Was Interested 



in Gim-Cracks 739 



Saving Gold and Silver on the Vacuum-Cleaner 



Principl^c 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 Fac-Simile Letters 836 



