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Page:Popular Science Monthly Volume 88.djvu/20

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xvi
INDEX TO VOLUME 88
Page
An Emergency Tire Made Simply of Rope 587
Vulcanizing Tires with Exhaust Heat 593
A Trouble-Proof Tire 593
An Oil Cup for Auto Springs 593
An Anti-Clogging Oil-Gage 593
A New Way of Driving a Bicycle with a Motor . . 702
Converting an Automobile into an Apartment. . . . 719
The Chair Car—the Latest Development in Stage-coaches 729
A Tomahawk Grease Gun 731
Device Prevents Automobiles from Being Stolen. . 731
How a Second-Hand Automobile Made a Railroad Pay 732
New Automobile Alarm Calls for Help 753
This Grease Cup Keeps Your Hands Clean 755
Converting a Motor-Cycle Into a Tricycle 757
To Keep Your Foot Always on the Accelerator Pedal . . . 757
A Lamp for the Motorist's Glove 758
Improving Automobile Springs 768
Hints to the Motor-Cyclist 770
Fools Automobile Thieves 780
An Automobile-Bed for the Tourist 870
A New Ford Folding Bed 870
Some Ingenious New Accessories for the Touring Car 870
A Glass Hood for Autonnobiles 871
A Handy Automobile Grease-Gun 871
Rain Protector for Automobile Wind-Shield 871
An Electric Automobile Built Like a Drop of Oil 896
What Shall We Do for Gasoline? 904
Curing a Noisy Automobile Hood 917
BOATING
The Trolley-Car Boat for Bathers 725
A Wheel-barrow for Canoes 744
The Ozark Float-Boat 747
How to Build and Sail a Small Boat 765
Navigating a River Boat by Sound 905
How to Build and Sail a Small Boat 929
CIVIL ENGINEERING
Twelve Million Dollars for Twenty Minutes Train Time 7
An Excavation for a Road Leaves House on Brink 17
Two Bridges with but One Approach 20
A Vast Tank with a Park on Top 20
A Really Greater New York 60
The Longest Pipe Line in America 93
A Gigantic Steel Bridge-Beam 166
Niagara on Tap 180
Lifting a House Over Trees: Sentiment vs. Cost. . 247
The Giant Task of the Subway Diggers 326
Three Slender Wires Form a Bridge 342
A Circular Bridge on Stilts 377
The Bridge that Telephones Built 403
An Elevated Road that Tried to Outstrip a Town. 421
Digging Away the Slides at Panama 492
Amputating Pittsburgh's "Hump" 532
Workmen Shot from Tunnel Through the Bed of a River 643
Rocking a Three-Hundred Foot Tower with Your Hand 645
Spraying Concrete 665
New York's Submarine Subway and How It Was Built 705
Making Money Out of Waste Land with a Stream of Water 720
Panama's Locks Guarded by Chains 745
Using Ice to Lower Heavy Stones 774
A Hint for Draftsmen 793
ELECTRICITY
Band Conceits from an Electric Light Bulb 71
Brightening the Baby's Path 92
Saving Steps at Target Practice 95
An Electric Flat Iron Float 95
Electric Heater Resembles Desk Telephones 104
Winter Uses for the Electric Fan 109
Electric Toaster Eliminates Burnt Fingers 110
Electric Candles on a Nine-Story Birthday Cake. . 169
A Sleeping Nest with an Electric Elevator 185
Signal Lights for Traveling Cranes 228
Power from a Floating Water Power Plant 234
Testing Shrapnel Shells in Electric Ovens 254
Something Is Wrong with This Unemotional Phonograph Fire Alarm 337
How to Photograph Electrical Sparks 348
Trimming Veneered Edges by Electricity 348
An Owl Darkens the Town 369
Typewriting Eight Telegrams Over a Single Wire. 374
Can Battery Explosions on Battery Submarines Be Prevented? 394
A Top That Never Stops Spinning 401
What Makes an Electric Lamp-Bulb Glow? 401
The Electric Dog and How He Obeys His Flash-lamp Master 426
Finding the Positive Wire 454
How to Prolong the Life of Battery Cells 454
Springless Electric Bell 454
A Simple but Powerful Arc-Light 455
Making a Master Vibrator for Automobiles 461
Electric Door-Opener for a Garage 470
A Metal-Vapor Light That Is White 529
Telegraphing with the Telephone 563
Detecting Flaws in Steel by X-Ray 577
Storage Battery Hints 652
An Electric Soldering Iron 626
Construction of Unipolar Dynamos 624
The Electromagnetic Hand for Armless Veterans. 657
An Electrically-Lighted Clock 699
A Socket Protecting Knot 731
An Electric Fan Suspended by Its Own Wire 736
Lamp Resistance for Charging Storage Batteries 781
Recharging Worn-out Dry Batteries 781
Automatic Dead-End Switch 785
Making Coils of Resistance Wire for a Small Electric Stove 788
How to Make an Electric Horn 788
Repairing a Burnt-Out Fuse 788
Changing a Telegraph Sounder Into a Relay 789
Substituting a Flashlight for a Door Bell 789
Telephone Line Test Clips Easily Made 789
A Current Reverser for Small Motors 789
Making Over the Lighting System 795
Healing Magic of the Electric Arc 818
Illuminating a Highway with Pockets of Light. . 905
Bird Protection for Electric Lines 907
Making a Simple but Efficient Flasher 939
For Those Midnight Serenaders 939
A Musical Electric Door-Bell 940
Connecting Dissimilar Telephone Lines 941
Connecting Wires with Tinfoil 941
An Efficient Spark-Plug Tester 941
The "Ideal" Battery . 945
The Construction of an Automatic Battery Circuit-Breaker 947
How to Make a Rural Mail Box Alarm 947
Electrical Lighting Device for the Gas-Range. . . . 948
An Electric Weather-Vane Indicator 948
GEOLOGY
The Devil's Post Pile 178
Natural Cannonballs 178
Natural Stadium Which Holds One Hundred and Thirty Thousand 248
What Wind and Rain Can Do 530
Fake Gypsum Claims 573
Rock Folded Like Cardboard 814
Strange Mineral Spring Deposit in a Nevada Desert 897
A Strange Spongelike Rock 903
Are Metals Alive? 912
GAMES, PUZZLES. AND OUTDOOR SPORTS
Ice Dynamited So Yale Crew May Row 658
Playing Golf on the Roof 669
Ten-Net—An Indoor-Outdoor Game 705
Outdoors Yet Indoors 726
HOME CRAFTSMAN
An Extra Drainboard for the Kitchen Sink 113
To Lengthen the Life of a Necktie 113
Wood Box Arrangement Saves Many Steps from the Dining-Room 113
Broom Closet Utilizing Waste Space 114
A Cheap Septic Tank 114
A Craftsman Desk Chair 115
A Serviceable Hot Water Heater Which Can Be Made at Home 118
How a Course Dinner Can Be Served Without a Maid 118
Connecting Block for Bell Wires 119