INDEX TO VOLUME i)2 



Page 

 This Baby Caterpillar Tank Isn't Dangerous. . . . 856 



Mechanics of the Red Cross 858-59 



The Hawks of the Royal Flying Corps 860 



Signaling System Is Employed in American Barrage 865 

 Forts Built by Vauban Are All That Remain of 



Ypres 865 



Machine-Gun Practice with Painted Targets 866 



Wouldn't This Puzzle the Enemy ? 87 I 



The Moon and the Earth Help the French to 



Direct Cannon Fire 872 



Learning to Be a Sailor on Dry Land 877 



Going "Over the Top" with the Soldiers at Camp 



Upton. ,■ : 877 



Use Folding Bunks to Economize Space on 1 rip 



"Over There" 895 



Trench-Dwellers Cherish the Barber's Ministra- 

 tions 899 



Nerve Shock Due to Detonations Less Wearing 



Than War Strain 90 1 



Sandbags Used as Protective Covering Even on 



War Ships 907 



The Fifty-seventh Variety of Armor for the 



Modern Soldier Appears 920 



MOTOR VEHICLES AND THEIR ACCESSORIES 



The Scott Sociable 7 



Moving a Piano by Automobile 32 



Automobile Fuel Heated by Exhaust Gases in Dual 



Manifold. ■ . ■ 37 



A New Automobile Device Mixes Moist Air with 



Gasoline Fuel 38 



A New Lifting Truck 60 



Don't Waste Gasoline 62 



New Steering- Wheel Stabilizer 63 



Tobacco as a Cleanser 67 



Auto Body of Redwood 71 



Using Exhaust Gas to Start Engine in Cold 



Weather 73 



The Liberty Truck 74 



Supplying Clean. Moist Air to Gasoline Engine. . . 78 



Using Oil Instead of Gears 80 



And Now Good-bye to the Armored Automobile . . 88 



Automobiles, Motor-Trucks and Accessories 90-93 



Handling Five Hundred-Pound Rolls of Linoleum 



on a New Truck 98 



This Type of Self-Propelled Truck Saves Even the 



Labor of Unloading 99 



Overcoming Headlight Glare by Tipping the Lamps 100 

 A New Automobile Signal on the Left Rear Fender 109 

 Testing Cylinder Pressure with Ordinary Tire Gage 142 

 An Automobile Accident Which Couldn't Be 



Avoided 164 



Skating Over Ice and Snow in a Queer Motor Sled 188 

 Use Your Hot Radiator Water to Keep Your 



Steering- Wheel Warm 189 



Automobiles, Motor-Trucks and Accessories . . 190-191 



No Oil? Your Car Will Stop Automatically 194 



New Ambulances Are Shorter Than the Stretchers 



They Carry 202 



Your Auto Can Be Made Into an Ambulance 213 



Fifty Thousand Operations to Make a Car 216 



Stopping That Draft Around the Pedals on Your 



Ford 219 



A One- Wheeled Automobile 223 



Which Cylinder Is Missing Fire? Find Out from 



Your Seat 225 



A Spring-Driven Auto for Children 23 1 



Conserving Gasoline 233 



When Man-Power Is Cheaper Than Horse-Power 240 

 How One Man Can Both Tow and Steer a Disabled 



Automobile 248 



A Boy Can Lift a Two-Ton Car With This Worm- 

 Driven .lack 253 



One Inner Tube More Than Holds Up an Automo- 

 bile . . 254 



This Trailer Elevates Its Own Body 255 



An Ambulance with Its Own Traveling Kitchen. . 260 



Prolonging the Life of a Motor 264 



Keeping the Radiator Water Warm During Winter 266 



What Is It — Jitney or Railway Coach? 269 



A Track-Laying Tractor 272 



Here Is a New Grinding Tool for Your .Automobile 275 

 Unequally Adjusted Rear Wheel Brakes Cause 



Skidding .281 



A Sled Driven by a Motorcycle Engine and Air- 

 plane Propeller ." 283 



Page 

 Rebuilding a Wrecked Automobile to Make a 



Racing Car 285 



A Heater for the Sidecar to a Motorcycle 288 



Adjusting the Foot Pedal to Prevent Wear on Gears 290 

 Circulating Water in a Gas Holder to Prevent 



Freezing 290 



The Most Convenient Way to Lock a Motorcycle 292 



A Motorcycle Engine Used as an Air Pump 298 



A New Automobile Cigar Lighter 327 



Fifty-Seven Miles an fnour, and in a Ford ! 353 



The Immortal Automobile 356 



What Won't a Ford Do If Properly Coaxed? 358 



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



Motor-Trucks in New York's Subways 399 



The Ball-Bearing Creeper 405 



Automobiles, Motor-Trucks and Accessories. . 410-413 

 The Detachable Steel Wheel Is Gaining in Popu- 

 larity 414 



Light Up Both Roads When Your Auto Turns a 



Corner 415 



New Type of Hydro-Generator 42 1 



Balancing Automobile Crankshaft with Air 428 



New Farm Tractor Driven by All Four Wheels. . . 430 

 If You Can Stop an Automobile, You Are Fit to 



Run One 433 



Use This Match-Box and You Can Light Your 



Cigar in the Strongest Wind 434 



Keep Your Engine Efficient 436 



Heating Low-Grade Gasoline with Exhaust Gases 440 



Consider Joe's Non-Skid Shoes 484 



Save Gasoline with This Device for Controlling 



Engine Temperature 516 



Even in Turning a Corner the Brakes on the Rear 



Wheels Take Hold 521 



Using Minstrels to Sell Autos 529 



Prizes for Labor-Saving Automobile Improvements 550 

 Starting the Kerosene Car from the Kitchen Range 561 

 Loosening All the Lugs of a Demountable Rim at 



Once 568 



Automobiles, Motor-Trucks and Accessories. .570-571 

 The One-Man Horse Ambulance and What 1 1 Does 576 

 Chain Your Automobile to a Hydrant if the 



Electric Lock Doesn't Hold 577 



Using a Maxim Silencer as an Auto Muffler 578 



The Motorcycle in Warfare 581 



Giving Fords Greater Pulling Power for Heavy 



Loads 588 



How to Keep the Windshield Clear by Heat 592 



Auto Body That Packs Within Chassis Space .... 596 



Vegetable Peddler's Motor-Truck 669 



Automobile Muffler on Vacuum Principle 669 



Three Automobile Bodies in One 676 



Utilizing the Waste Heat from a Gas-Engine 683 



From Boston to Akron by Motor Truck 692 



Folding Steering Wheel Locks Auto 701 



Carrying Sedan Parts Without Rattling 701 



The Liberty Motorcycle 701 



Tire-Repairing Easy with a New Spreader 708 



Tires of Canvas 708 



Applying Fireless Cooker Idea to Delivery Wagon 717 



Highways and Automobiles in Warfare 721 



Locking Gear Lever to Prevent Theft 721 



Cooking Your Meals While You Drive 727 



Automobiles, Motor-Trucks and Accessories. . .728-729 



A New Can to Prevent Gasoline Waste 732 



Real Lights for the Auto in Motion-Pictures 742 



Warming Both Engine and Car Body 745 



German Tires Are Filled with Rags 745 



Some Do's and Don's for Automobilists 751 



Garage Doors That Save Space and Time . 842 



An Automobile That Got Its Power from the Street 



Mains 843 



Who Won the Motor Contest 849 



A One- Wheeled Motor Tractor 850 



Hoisting-Frame for Automobiles 864 



Driving Your Car Through a Stream of Oil 878 



No Footprints Are Left by This Lawn-Mower.. 880 



Automobile or Railway Car — Which Is It? 887 



Extending the Use of the Sidecar 887 



Automobiles, Motor-Trucks and Accessories .. .888-89 



Sleep in Your Auto and Hang Up the Baby 892 



Notch the Curb to Keep Out Autos 894 



Putting Overalls on Autos for Protection 894 



A New Use for the Little Tractor: Spotting 



Freight Cars for Large Plants 907 



Auto Bearings and How to Care for Them Properly 922 



