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PAGE
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| Timing an Automobile Race
|
753
|
| Backing an Automobile into a Moving Garage
|
755
|
| Constructing a Sidecar for a Bicycle or Motorcycle
|
765
|
| Fillers for the Pedal Slots of Automobiles
|
783
|
| Lubricating Automobile Spring Shackles and Bolts
|
783
|
| Estimating the Speed of Passing Automobiles
|
784
|
| Making a Sediment Pocket in Feed Line to Carburetor
|
784
|
| Caring for Storage Batteries on Automobiles
|
792
|
| Novel Method of Drive for Light Cycle-Cars
|
806
|
| Timing Automobile Speed Demons
|
806
|
| A Wonderful New Glass Which Cannot Be Shattered
|
811
|
| An Automatic Safety Fender Sets the Brakes
|
836
|
| A Floating Road for Automobiles
|
864
|
| The Intelligent Motor Milk-Wagon
|
869
|
| Twelve Cylinders or Six in One Car
|
872
|
| Plowing Snow with Your Automobile
|
882
|
| Automobiles, Motor-Trucks and Accessories 888 —
|
891
|
| An Automobile Pump Drive from the Rear Wheel
|
895
|
| The Tiniest Motorcycle to Be Used in the Army
|
896
|
| Preaching the Gospel from an Automobile
|
906
|
| Tank Trucks as Tenders to Submarines
|
906
|
| Testing the Strength of an Ostrich
|
907
|
| A British Motor-Bus Run on Coal Gas
|
912
|
| A Motor-Driven Brake
|
914
|
| Wire Wheels for Automobiles
|
915
|
| Combination Lamp and Horn for the Motorcycle
|
920
|
| Automobile Carbureter for Heavy Fuel Oils
|
936
|
| BOATING
|
|
| Your Mainsail and the Wind
|
49
|
| Forty Miles an Hour on the Water
|
83
|
| How to Run a Motor-Boat
|
112
|
| CHEMISTRY
|
|
| Asphyxiating a Fire with Sulphur
|
884
|
| Producing the Coldest Cold
|
916
|
| A Quickly Made Silver-Platng Powder
|
937
|
| How to Handle Sulphuric Acid with Safety
|
945
|
| CIVIL ENGINEERING
|
|
| The Destruction of the Exposition City
|
8-11
|
| A Ticklish Moment
|
29
|
| "Ironing Out" Earthquake Wrinkles in San Francisco
|
31
|
| An Inverted Steam Hammer for Drawing Piles
|
53
|
| Saving Hours in Handling New York Subway Dirt
|
54
|
| An Excavator Which Walks
|
61
|
| Electrifying the Clam-Shell Bucket
|
87
|
| Making Water Pump Itself
|
98
|
| A Damaged Lock Gate Repaired by Its Own Water
|
234
|
| Lowering a Bridge Without Blocking the Traffic
|
240
|
| Uncle Sam's New Dam at Elephant Butte
|
259
|
| A Substantial Cableway Built from Scrap Material
|
327
|
| The Senators' Subway
|
328
|
| Bagging Rivet Heads with a Butterfly Net
|
333
|
| Blowing Concrete into Place
|
411
|
| Safeguarding the Sand Blaster
|
418
|
| Building a Bank Around a Bank
|
485
|
| Holding the Hudson at Bay
|
537
|
| Road Construction Facts by the Wayside
|
544
|
| Solving New York's Freight Problem
|
546
|
| Ten Millions to Save Four Miles
|
553
|
| Transforming a Beauty Spot into a Public Utility
|
574
|
| A Bridge Five and One Half Miles Long
|
583
|
| Strenuous Search for Durable Roads in a St. Louis Park
|
672
|
| Giant Slabs of Marble to Commemorate Abraham Lincoln
|
689
|
| Meerschaum as a Building Material in Spain
|
689
|
| Boring Straight by Photography
|
720
|
| Quebec's Disastrous Bridge
|
728
|
| Cleaning Sewers from the Street
|
838
|
| The Old-Fashioned Heavy Paving-Block Gives Place to a New Form
|
844
|
| Taking the Temperature of a Dam
|
866
|
| ELECTRICITY
|
|
| Welding Soft Metal to Hard
|
17
|
| The Voice Typewriter
|
65
|
| An Exciter for Electroscopes
|
135
|
| Interference of Lighting Circuit by Static Electricity
|
135
|
| Rejuvenating Electric Lamps
|
135
|
| A Wet Battery from a Dry One
|
135
|
| Electric Striking Mechanism for Mission Clocks
|
137
|
| An Electrically Operated Device for Lighting Gas
|
141
|
| How to Make an Attachment-Plug
|
142
|
| A Model Electrical Hammer
|
142
|
| How to Make an Electric Shaving-Mug
|
143
|
| Testing Electric Lamps Quickly
|
144
|
| Using Cartridge Shells for Electrical Contacts
|
144
|
| A Hoop with a Guiding Hub
|
152
|
| Perfuming and Cooling the Air with An Electric Fan
|
175
|
| The King of New York s Lighting Spectacles
|
177
|
| A Tool for Buffing, Drilling and Grinding Metal Surfaces
|
192
|
| Toying with High Tension Currents
|
248
|
| A Home-Made Edison Battery
|
276
|
| A Clever Window Display
|
277
|
| Five Examples of Alarm Work
|
279
|
| Rectifying Alternating Current
|
283
|
| Making an Electric Fire Alarm
|
284
|
| Cutting Glass-Tubing by Electricity
|
311
|
| A One-Eyed Mechanical Stenograptier
|
335
|
| Why You Could Not Get Your Man on the Wire
|
371
|
| An Electric Motor-Chair
|
412
|
| A Convenient Arrangement for Turning on the Hall Light
|
442
|
| Wiring the Ford for Magneto and Battery
|
442
|
| A Simple Way to Construct a Ten-Ampere Shunt
|
443
|
| Controlling Temperature and Humidity at the Same Time
|
444
|
| Electric Substitute for the Latch-key
|
444
|
| Making an Induction Coil
|
446
|
| Magnet Winder
|
446
|
| Dry Cells and Their Voltage
|
446
|
| Utilizing Broken Marble Pieces
|
446
|
| How to Rid Your Yard of Cats
|
447
|
| To Stop the Milk Thief
|
447
|
| A Simple Primary Coil
|
452
|
| A Heat-Resisting Socket for High Wattage Lamps
|
511
|
| Pocket-Flashlight Distress-Signals
|
520
|
| A Hand-Magnet That Lifts Fifteen Times Its Own Weight
|
536
|
| The Czar of the Power-House
|
555
|
| A New Electric Cloth-Cutter for Small Shops
|
564
|
| The Electrical Scrub-Woman — Brainless but Efficient
|
566
|
| Small Electric Pump for Draining Seepage from a Cellar
|
567
|
| A Voting Machine for Congress
|
582
|
| Flood Lighting Niagara
|
584
|
| The Nic:ht Eyes of the Coast Artillery
|
586
|
| A Warning to Fishermen
|
590
|
| A Photographic Printing-Box for Use with Electric Current
|
601
|
| A Simple Tracing Method for Electrical Draftsmen
|
606
|
| Tapping Field Telephone Wires
|
622
|
| Tracing Initials on Tools with Electricity
|
632
|
| Saving the Picture Show with a New Rheostat
|
633
|
| A Combination Front and Back Door Alarm-Bell
|
634
|
| Electric Burner for Making Storage-Battery Connections
|
634
|
| To Change a Gas Lamp into an Electric Light
|
635
|
| Lighting an Oil-Stove with an Alarm-Clock
|
635
|
| A Simple Electrical Device for Purifying Water
|
638
|
| Lifting Street Cars with a Powerful Electric Hoist
|
673
|
| Electric Hand Lantern Costs Less than a Kerosene Burner -
|
681
|
| Electric Ranges Are Becoming Popular
|
681
|
| Electrolytic Extraction of Gold from Black Sand
|
680
|
| Look Out Perhaps the Man You're Talking to Wears a Detectaphone
|
687
|
| Protecting the Telephone Operator
|
706
|
| Telegraphing Through the Ocean
|
711
|
| Toys That Obey Your Voice
|
718
|
| Miniature Magnet-Propelled Ships
|
757
|
| Hearing Your Voice Through Your Bones
|
142
|
| Manhole Ventilated with Electric Fan
|
748
|
| Reducing the Furnace Man to a Mere Push-Button
|
751
|
| A Magic Wand Which Changes Cold Water into Hot Almost Instantly
|
752
|
| The Electric Thief-Catcher
|
756
|
| How Electricity and Temperature Affect a Watch
|
761
|
| A Hallowe'en Chamber of Horrors
|
777
|
| An Improvised Coil Winder for Electrical Apparatus
|
787
|
| A Home-Made Fuse for a Small Battery Current
|
793
|
| Amateur Trench FJcctricians
|
794
|
| A Danger Signal Used to Direct Attention Overhead Perils
|
829
|
