< Page:Popular Science Monthly Volume 90.djvu
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An Ingenious Rain Alarm | 65 |
Illuminating the American Flag | 72 |
What One Penny Will Buy in Electrical Service | 73 |
A Small Backyard Searchlight | 121 |
Thawing Frozen Water-Pipes Electrically | 145 |
An Electric Alarm Signal for the Fisherman | 149 |
Estimating the Windings of the Electromagnet Coils | 50 |
A Means of Indicating the Location of a Bell Call | 151 |
Combining the Telephone Receiver and Transmitter in One Instrument | 187 |
Next Summer's Ice. They Are Cutting It Now with Electricity | 197 |
A Flashlight to Show the Position of Talking-Machine Needles | 200 |
Why Are Abandoned Flour Mills Not Utilized as Lighting Stations? | 201 |
Remember Electrically | 212 |
Illuminating the Statue of Liberty | 213 |
An Electric Headlight for the Up-to-Date Horse | 242 |
Making a Bungalow Unpopular with Night Prowlers | 250 |
What a Circuit-Breaker Really Is | 250 |
Locating Buried Objects with a "Telepipe" | 262 |
Utilizing Tin Cans to Make Containers for Dry Batteries | 283 |
Easily-Constructed Step-Down Transformer | 307 |
One Telephone Used on Two Lines | 307 |
An Electric Lamp-Socket Lock Clamp and Seal | 308 |
Remover for Insulation on Electric Wires | 308 |
An Easily Made Adjustable Telephone Condenser | 313 |
How to Keep the Telephones from Humming | 313 |
An Electric Gas Lighter Operated with a Push-Button | 314 |
An Electric Circuit for a Freezing Alarm | 315 |
Makeshift Motor Starting Box for Burned-Out Rheostat | 315 |
Making a Miniature Light to Attach to a Book | 316 |
What the First Telegram Said | 343 |
Helping the Deaf to Hear with a New Electrical Ear | 53 |
A Frictionless Contact Generator of Static Electricity | 372 |
This Electric Coal-Bagging Machine Saves Labor | 436 |
Electric Steel from Electric Furnaces | 438 |
Magnetic Base for a Machinist's Electric Light | 442 |
Electricity Used to Start a Balky Horse | 448 |
How to Make an Electric Heater | 469 |
Cutting Holes in Plaster for Switch-Boxes | 473 |
An Electric Comb for Drying the Hair After the Shampoo | 573 |
A New Gun Flash Light | 583 |
Dynamo Lighting System for a Motorcycle | 601 |
Power Measurement Method Without a Watt-Meter | 633 |
An Emergency Electric Plug Made of Broken Lamp | 634 |
An Inexpensive Tester for an Electric Lamp | 634 |
Electromagnetic Rotation of an Electrolyte | 640 |
Toledo Plants a Baby Moon in the Sky | 665 |
Determining the Best Lighting Conditions for the Eye | 726 |
The Automatic Furnace-Watchman | 734 |
A Portable Electric Welding Apparatus | 734 |
To Cure a Balky Horse Just Press a Button | 753 |
Experiments with Static Electricity from Belts | 787 |
Making a Hot Wire Ammeter for Electric Currents | 788 |
Interesting and Instructive Electrical Experiments | 789 |
Laying Telegraph Cables Under Fire | 803 |
The Simplified Turbine for Small Electric Plants | 919 |
The Construction of a Fifty-volt Storage-battery | 947 |
A Light Signal to Designate a Blown Fuse | 950 |
Changing a Direct Current Bell into an Alternating One | 951 |
How to Make a Solderless Joint on Wire | 951 |
Testing Bell Circuits with Dividers | 951 |
HOUSEKEEPING MADE EASY | PAGE |
Putting the Sun at Work in the House | 4 |
Household Appliances | 38–39 |
A Miniature Power-Plant for the Home | 71 |
A Heat Regulating Device for the Furnace | 122 |
The Tea-Table Idea Applied to the Kitchen | 141 |
A Water-Heating Garbage Burner Is Both Useful and Sanitary | 187 |
A Ladder Which Can't Slip or Fall Over | 191 |
Drying the Family Washing Around the Stove | 202 |
A Machine Which Takes the Backache out of Carpet-Beating | 202 |
Household Appliances | 210–211 |
Beating Yolks and Whites Simultaneously | 224 |
A Double-Decked Serving Tray | 224 |
Dachshund Charlie. He Eats 'Em Alive | 230 |
A Simple Teakettle Attachment | 236 |
Is Your Closet-Room Scarce? Try this Type of Wardrobe | 237 |
Install a Motor-Driven Bootblack in Your Home | 239 |
A Soap That Blues the Clothes | 242 |
You Can't Find Your Brushes or Your Razor in Your Bag? Then Try This | 255 |
Ensnaring the Ashes of a Cigar as You Smoke | 280 |
You Don't Need to Dig in This Bag to Find What You Want | 345 |
Housekeeping Made Easy | 358–359 |
How the Bath-Tub May Be Transplanted | 361 |
A Novel Foot Radiator | 374 |
A Fan on the Sewing Machine Flywheel | 413 |
An Overhead Trolley System for the Hot Iron | 413 |
Make a Hanging Window Garden of Discarded Sponges | 428 |
Ironing a Four-in-hand Tie to Prevent Glossy Streaks | 443 |
Keeping Your Plants Watered While You Are Away | 452 |
How to Remove Stains from Various Kinds of Cloth | 462 |
A Clever Woman Discovers Handy Location for the Kitchen Towel | 464 |
Making Parallel Bars for the Home Gymnasium | 465 |
Household Appliances | 558–559 |
A New Use for Rhubarb. You Can Clean Pots with It | 564 |
A Crib, Baby Carriage and Bassinet All in One | 582 |
Disappearing Beds of the Cozy Apartments | 589 |
Tea Kettle with Whistle in Spout for a Signal | 604 |
A Coffee Percolator that Never Runs Dry | 685 |
The Ceiling Bed | 697 |
Housekeeping Made Easy | 718–719 |
Steam-Heat the Wallpaper to Tear It Off | 748 |
Vacuum Cleaning by Foot Pressure | 750 |
Household Water-Still of Easy Construction | 775 |
To Prevent the Corners of a Rug from Curling | 777 |
Making a Substitute Wood Handle for the Dustpan | 780 |
A Fountain Shoe-shining Outfit | 851 |
Household Helps | 872–873 |
A Pipe-Cleaning Wire Which Worms Its Way Around Bends | 888 |
A Concrete Cooler Which Chills by the Action of Evaporating Water | 911 |
Serving Individual Portions of Butter by Machinery | 912 |
This Type of Bottle-Stopper Is a Fraud Detector | 915 |
MECHANICAL ENGINEERING | PAGE |
Painting Piping by Machine | 5 |
Efficiency Methods in Hauling and Scouring as Employed on the Water | 18–19 |
A Self-Starting Typewriter | 48 |
Doing Away with the Pick and Shovel in Excavations | 54 |
It Bites Its Way Through the Thickest Ice | 69 |
A Mechanical Telephone Operator | 73 |
A Mechanical Rock-Worm | 78 |
Saving Natural Gas with Muddy Water | 94 |
Filling in Trenches by Machinery | 96 |
The Popularity of Liquid-Measuring Pumps | 184 |
The Origin of the Locomotive Whistle | 187 |
Digging War Trenches with a Powerful Tractor | 191 |
Keeping Track of Piece Work | 199 |
Finishing a Collar by Machinery | 218 |
Mechanical Helps | 278–279 |
Doe-Power for Scissors Sharpener | 325 |
A Trip to Sugar Loaf Mountain | 334 |
New York's Street Sweeper and Flusher | 374 |
Measuring Sloping Roofs Without Breaking Your Neck | 391 |
Improvising a Compressed Air Tank | 393 |
Feeding a Fire with Hot Air to Save Coal | 396 |
Mechanical Helps | 383–391 |
New Concrete Mixer Efficient for Small Jobs | 427 |
Building a Street Car Line Without Stopping Work or Cars | 435 |
A Meter for Registering Amounts of Coal Used | 435 |
Making Cigars by Machinery | 504 |
Fighting in the Dark with Night Lights | 534 |
Pulling the Trigger with the Thumb | 534 |
Shooting the Gasoline Gun | 534 |
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