{|

| || Page |- |An Emergency Tire Made Simply of Rope || align=right | 587 |- |Vulcanizing Tires with Exhaust Heat || align=right | 593 |- |A Trouble-Proof Tire || align=right | 593 |- |An Oil Cup for Auto Springs || align=right | 593 |- |An Anti-Clogging Oil-Gage || align=right | 593 |- |A New Way of Driving a Bicycle with a Motor . . || align=right | 702 |- |Converting an Automobile into an Apartment. . . . || align=right | 719 |- |The Chair Car—the Latest Development in Stage-coaches || align=right | 729 |- |A Tomahawk Grease Gun || align=right | 731 |- |Device Prevents Automobiles from Being Stolen. . || align=right | 731 |- |How a Second-Hand Automobile Made a Railroad Pay || align=right | 732 |- |New Automobile Alarm Calls for Help || align=right | 753 |- |This Grease Cup Keeps Your Hands Clean || align=right | 755 |- |Converting a Motor-Cycle Into a Tricycle || align=right | 757 |- |To Keep Your Foot Always on the Accelerator Pedal . . . || align=right | 757 |- |A Lamp for the Motorist's Glove || align=right | 758 |- |Improving Automobile Springs || align=right | 768 |- |Hints to the Motor-Cyclist || align=right | 770 |- |Fools Automobile Thieves || align=right | 780 |- |An Automobile-Bed for the Tourist || align=right | 870 |- |A New Ford Folding Bed || align=right | 870 |- |Some Ingenious New Accessories for the Touring Car || align=right | 870 |- |A Glass Hood for Autonnobiles || align=right | 871 |- |A Handy Automobile Grease-Gun || align=right | 871 |- |Rain Protector for Automobile Wind-Shield || align=right | 871 |- |An Electric Automobile Built Like a Drop of Oil || align=right | 896 |- |What Shall We Do for Gasoline? || align=right | 904 |- |Curing a Noisy Automobile Hood || align=right | 917 |- | colspan=2 align=center | BOATING |- |The Trolley-Car Boat for Bathers || align=right | 725 |- |A Wheel-barrow for Canoes || align=right | 744 |- |The Ozark Float-Boat || align=right | 747 |- |How to Build and Sail a Small Boat || align=right | 765 |- |Navigating a River Boat by Sound || align=right | 905 |- |How to Build and Sail a Small Boat || align=right | 929 |- |colspan=2 align=center | CIVIL ENGINEERING |- |Twelve Million Dollars for Twenty Minutes Train Time || align=right | 7 |- |An Excavation for a Road Leaves House on Brink || align=right | 17 |- |Two Bridges with but One Approach || align=right | 20 |- |A Vast Tank with a Park on Top || align=right | 20 |- |A Really Greater New York || align=right | 60 |- |The Longest Pipe Line in America || align=right | 93 |- |A Gigantic Steel Bridge-Beam || align=right | 166 |- |Niagara on Tap || align=right | 180 |- |Lifting a House Over Trees: Sentiment vs. Cost. . || align=right | 247 |- |The Giant Task of the Subway Diggers || align=right | 326 |- |Three Slender Wires Form a Bridge || align=right | 342 |- |A Circular Bridge on Stilts || align=right | 377 |- |The Bridge that Telephones Built || align=right | 403 |- |An Elevated Road that Tried to Outstrip a Town. || align=right | 421 |- |Digging Away the Slides at Panama || align=right | 492 |- |Amputating Pittsburgh's "Hump" || align=right | 532 |- |Workmen Shot from Tunnel Through the Bed of a River || align=right | 643 |- |Rocking a Three-Hundred Foot Tower with Your Hand || align=right | 645 |- |Spraying Concrete || align=right | 665 |- |New York's Submarine Subway and How It Was Built || align=right | 705 |- |Making Money Out of Waste Land with a Stream of Water || align=right | 720 |- |Panama's Locks Guarded by Chains || align=right | 745 |- |Using Ice to Lower Heavy Stones || align=right | 774 |- |A Hint for Draftsmen || align=right | 793 |- | colspan=2 align=center | ELECTRICITY |- |Band Conceits from an Electric Light Bulb || align=right | 71 |- |Brightening the Baby's Path || align=right | 92 |- |Saving Steps at Target Practice || align=right | 95 |- |An Electric Flat Iron Float || align=right | 95 |- |Electric Heater Resembles Desk Telephones || align=right | 104 |- |Winter Uses for the Electric Fan || align=right | 109 |- |Electric Toaster Eliminates Burnt Fingers || align=right | 110 |- |Electric Candles on a Nine-Story Birthday Cake. . || align=right | 169 |- |A Sleeping Nest with an Electric Elevator || align=right | 185 |- |Signal Lights for Traveling Cranes || align=right | 228 |- |Power from a Floating Water Power Plant || align=right | 234 |- |Testing Shrapnel Shells in Electric Ovens || align=right | 254 |- |Something Is Wrong with This Unemotional Phonograph Fire Alarm || align=right | 337 |- |How to Photograph Electrical Sparks || align=right | 348 |- |Trimming Veneered Edges by Electricity || align=right | 348 |- |An Owl Darkens the Town || align=right | 369 |- |Typewriting Eight Telegrams Over a Single Wire. || align=right | 374 |- |Can Battery Explosions on Battery Submarines Be Prevented? || align=right | 394 |- |A Top That Never Stops Spinning || align=right | 401 |- |What Makes an Electric Lamp-Bulb Glow? || align=right | 401 |- |The Electric Dog and How He Obeys His Flash-lamp Master || align=right | 426 |- |Finding the Positive Wire || align=right | 454 |- |How to Prolong the Life of Battery Cells || align=right | 454 |- |Springless Electric Bell || align=right | 454 |- |A Simple but Powerful Arc-Light || align=right | 455 |- |Making a Master Vibrator for Automobiles || align=right | 461 |- |Electric Door-Opener for a Garage || align=right | 470 |- |A Metal-Vapor Light That Is White || align=right | 529 |- |Telegraphing with the Telephone || align=right | 563 |- |Detecting Flaws in Steel by X-Ray || align=right | 577 |- |Storage Battery Hints || align=right | 652 |- |An Electric Soldering Iron || align=right | 626 |- |Construction of Unipolar Dynamos || align=right | 624 |- |The Electromagnetic Hand for Armless Veterans. || align=right | 657 |- |An Electrically-Lighted Clock || align=right | 699 |- |A Socket Protecting Knot || align=right | 731 |- |An Electric Fan Suspended by Its Own Wire || align=right | 736 |- |Lamp Resistance for Charging Storage Batteries || align=right | 781 |- |Recharging Worn-out Dry Batteries || align=right | 781 |- |Automatic Dead-End Switch || align=right | 785 |- |Making Coils of Resistance Wire for a Small Electric Stove || align=right | 788 |- |How to Make an Electric Horn || align=right | 788 |- |Repairing a Burnt-Out Fuse || align=right | 788 |- |Changing a Telegraph Sounder Into a Relay || align=right | 789 |- |Substituting a Flashlight for a Door Bell || align=right | 789 |- |Telephone Line Test Clips Easily Made || align=right | 789 |- |A Current Reverser for Small Motors || align=right | 789 |- |Making Over the Lighting System || align=right | 795 |- |Healing Magic of the Electric Arc || align=right | 818 |- |Illuminating a Highway with Pockets of Light. . || align=right | 905 |- |Bird Protection for Electric Lines || align=right | 907 |- |Making a Simple but Efficient Flasher || align=right | 939 |- |For Those Midnight Serenaders || align=right | 939 |- |A Musical Electric Door-Bell || align=right | 940 |- |Connecting Dissimilar Telephone Lines || align=right | 941 |- |Connecting Wires with Tinfoil || align=right | 941 |- |An Efficient Spark-Plug Tester || align=right | 941 |- |The "Ideal" Battery . || align=right | 945 |- |The Construction of an Automatic Battery Circuit-Breaker || align=right | 947 |- |How to Make a Rural Mail Box Alarm || align=right | 947 |- |Electrical Lighting Device for the Gas-Range. . . . || align=right | 948 |- |An Electric Weather-Vane Indicator || align=right | 948 |- | colspan=2 align=center | GEOLOGY |- |The Devil's Post Pile || align=right | 178 |- |Natural Cannonballs || align=right | 178 |- |Natural Stadium Which Holds One Hundred and Thirty Thousand || align=right | 248 |- |What Wind and Rain Can Do || align=right | 530 |- |Fake Gypsum Claims || align=right | 573 |- |Rock Folded Like Cardboard || align=right | 814 |- |Strange Mineral Spring Deposit in a Nevada Desert || align=right | 897 |- |A Strange Spongelike Rock || align=right | 903 |- |Are Metals Alive? || align=right | 912 |- | colspan=2 align=center | GAMES, PUZZLES. AND OUTDOOR SPORTS |- |Ice Dynamited So Yale Crew May Row || align=right | 658 |- |Playing Golf on the Roof || align=right | 669 |- |Ten-Net—An Indoor-Outdoor Game || align=right | 705 |- |Outdoors Yet Indoors || align=right | 726 |- | colspan=2 align=center | HOME CRAFTSMAN |- |An Extra Drainboard for the Kitchen Sink || align=right | 113 |- |To Lengthen the Life of a Necktie || align=right | 113 |- |Wood Box Arrangement Saves Many Steps from the Dining-Room || align=right | 113 |- |Broom Closet Utilizing Waste Space || align=right | 114 |- |A Cheap Septic Tank || align=right | 114 |- |A Craftsman Desk Chair || align=right | 115 |- |A Serviceable Hot Water Heater Which Can Be Made at Home || align=right | 118 |- |How a Course Dinner Can Be Served Without a Maid || align=right | 118 |- |Connecting Block for Bell Wires || align=right | 119 |}