INDEX TO VOLUME 89
��Page A Draftsman's I nkstand Which Will Not Overturn 610 Improved Method for Decorative Glass Blowing, . 610 Renovating Nickel Plate with Tinfoil and Solder. 610 Wnal to Do with Small Pieces of Bath Sponge. . . 610
Keeping Rats Out of the Corn-Crib 611
Adjustable Overshoes to Prevent Horses from
Slipping 612
An Easily Constructed Support for a Trap-Door. . 612
To Lengthen a Shot-Chain on a Pull Socket 613
To Make a Dry Battery Having Lasting Qualities 613 A Weight and Pulley to Adjust Flexible Lamp
Cords 613
Annealing Brass Pipe for Bending 614
Two Types of Inexpensive Depth Gages 614
How to Make a Mallet from a Piece of Broomstick 61 5 Operating the Oil-Pump of an Automobile by Valve
Action 615
How to Make Your Watch-Dial Luminous 616
Making a Pplisher for Table Cutlery from a Piece of
Carpet 616
Benches for Electrical and Mechanical Machinery 617 Protecting the Gas Range with a Wind-Shield .... 618 A Simple Method of Filing Checks and Receipts . 618 Utilizing an Old-Fashioned Flat-iron as an Anvil. 618
A Canteen Made by a Junior Boy Scout 619
The Indian's Method of Tethering a Horse 619
Keeping Your Ties in Good Condi ticn 619
A Simple Way of Making a Canoe Unsinkable . . . 619
A Novel Experiment with a Lamp-Bulb 620
Prolonging the Usefulness of a Saucepan Cover. . . 620
Removing Old Putty from a Window-Pane 625
A Too! for Fishing Wires Through Small Openings 626 Magnet-Power of Toy Automobiles for Window
Display 626
A Switch Operated by Pressure on a Footboard. . 632 A Magneto Made from Two Discarded Cannons. . 644 Charging Weak Magnetos of Weak Automobiles. . 672 Making the Water from a Faucet Vibrate Fifteen
Times a Second 730
Field Photograph Kit for the Use of the Artillery. 739 A Show- Window Advertising Device Operated by
Gas Bubbles 760
How Electricity and Temperature Affect a Watch , 76 I
A Foot- Warmer Attachment for a Radiator 761
A Combination Tool with Many Uses 762
Marking Points to Bore Holes for Dowels 762
Painting a Ladderless Standpipe 762
Making a Serviceable Fireless Cooker 763
To Keep the Water in the Aquarium Clean .... 763
Loosening a Wood Screw to Draw It Easily 764
Transforming a Wheelbarrow into a Fantastic Toy 764 Constructing a Sidecar for a Bicycle or Motorcycle 765 A Fire and Water-Proof Cement for Mending Stove
Fire-Brick 766
An Improved Grinder for Gas-Engine Valves. . . . 766 A Revolving Telephone Index on the Transmitter 766
How to Build a Stereopticon 767
A Substitute Blow Torch for Soldering Joints. . . . 772
To Make a Storm Vestibule on a Veranda 772
An Easy Method for Drilling Holes in Glass 774
An Emergency Clothes Hanger for the Traveler. . 774 Utilizing a Piano Stool as a Typewriter Stand. . . . 774
An Automatic Cleaner for Bicycle Hubs 773
A Heat Deflector for a Hoi Air Register 775
How to Straighten the Crooked Straws of a Broom 775 An Improved Force-Filter Which Is Easily Cleaned 775 A Scheme for Soldering Metals Difficult to Join. . 775
Plane Blade Clamp and Emery- Wheel Guide 776
A Hallowe'en Chamber of Horrors 777
An Alarm-Clock Dinner Bell for Old Dobbin 779
An Experiment with the Static Electricity from
Belts. ... 779
An Automatic Grain-Valve to Prevent Waste. , . . 780 Brackets for Double Shceln of Wrapping Paper. . . 780 Keeping Rousted Peanuts Hot on a Steam Radiator 780 Making Storm Sashes from Old Shutter-Frames. . 781 Gc-tting Maximum Service from a Typewriter
Kibbon 782
Lubricating Automobile Spring Shacklcii and Bolts 783 A Pocket I'lash-Luinn on the Bicycle Handlebar. . 79' F.ntiinating the Speed of Fussing Automobiles . . . ?84 A Practical Pulverizer Made from u Cutter-Bar. . 784
Dc-Sutphating Storage-Battery Plates 787
Init'ilutcd Plicr IHondlen with rune Cases 788
A Home-Madc hlood-Light Projector 788
Making an Alternate Current Buxzer from Old Bell
C oiln 788
��PaRc
Caring for Storage Batteries in Automobiles 792
Discarded Type-Cases in the Amateur's Shop .... 792
A New Method of Reviving Old Dry Batteries. . . 793
Amateur Trench Electricians 794
Avoiding Clouded and Grimy Ceilings 796
To Prevent Asphaltum in Cans from Evaporating 79&
The Construction of a Small Concrete Corn-Crib. . 800
Utilizing the Waste from Welsbach Mantles 841
A Quick Method for Measuring Light 648
Making Decorative Butterflies in Sheet-Copper. 921 Repairing Automobile Tires to Prevent Bulky
Places 92 1
Grinding Automobile Engine-Valve Seats Set in
a Sleeve 922
Making Flexible Mirrors from Tinfoil on Celluloid 922
A Water-Barrel Elevator in a Well 923
Secret of Success in Filing Cross-Cut Saws 923
A Toy Bank of Wood Made Without Nails 924
Making a Wood-Burning Heater for the Home. . . 924
Making the Vibrations of the Voice Draw Designs 925
Friction Tape Used for Plaster Strips 925
A Home-Made Heating Arrangement 926
How to Make a Pendulum Swing Easily 926
Starting an Automobile When One Rear Wheel Is
on Ice 926
Lifted Tread Sections in Making Automobile Tire
Repairs 926
A Motorcycle Bob 927
Filtering Gasoline Through Chamois. Dangerous. 930
Photographic P'inting Masks Easily Made 931
Making Extended Index Tabs for Books 932
Removing Collar on Change-Gear Spindle of Lathe . 932 Changing a Boy's Handcar Into a Mechanically
Propelled Sled 933
Removing a Bushing from a Blind Hole 933
A Fountain Attachment for Ordinary Pens 934
A Dark-Room Lamp Used Under a Glass Tray. 9^4
A Sanitary Home-Made Toolh-Brush Holder. . . , 934
Substitutes for the Ordinary Carpenter's Levels.. 933
A Good Substitute for a Solid Round Belt 935
To Prevent Steel from Rusting After Soldering . . , 936
Luggage-Carrier to Attach to Your Bicycle 936
Automobile Carbureter for Heavy Fuel Oils...... 936
How to Make a New Bureau from an Old One. . . 937
A Revolving Washer Made from an Old Rim 937
A Quickly Made Silver-Plating Powder 937
Replacing a Knob on an Aluminum Kettle Top. . 938
Grooves Necessary in Giant Motor-Truck Tires . 938
Making Screws Hold in the End Grain of Wood. . 9*8
Adjusting a Storm Sash from the Inside of a House 9^8
A Snow Shovel Keeps the Snow from Sticking. . 93'>
Eliminating Trouble with Toilet Flush-Tanks .... 940
A Makeshift Syphon 940
Utilizing the Waste Heat from an Open Fireplace. 940
Aluminum Alloy for Patterns and Core Boxes... 940
Building a Speedy Ice- Yacht 94 I
Preventing Exposed Water-Pipes from Freezing.. 945
How to Handle Sulphuric Acid with Safety 945
Milk as a Lubricant for Drilling in Copper 94t>
Lubricating the Working Joints of a Pocket Knife 94h A Puller to Remove Steering Wheels on Auto*
mobiles 946
Compressing Leaf Springs to Bolt Them 94b
Intensifying Magnetic Fields for an Automobile
Dynamo 948
Pluns of a Small Modern Dairy Barn 960
RADIO COMMUNICATION The Construction of an Improved High-Tension
Audion Battery I 3 I
Making a Mechanical Interrupter I 38
A Simple Anchor-Gap I 38
Temporary Variable Condenser I 38
A Delicate Crystal Detector I 39
A Leud-in Connector I 39
Mounting a Rotary Gap 1 i9
Radio in the Far South 139
An Unusual Code Letter. ^ 139
Greater Speed in Wireless Receiving I 40
Receiving Undamped Oscillations |40
Compact Condensers |42
The I3e»t Crystal Detectors I44
What Radio Rrnders Want to Know l-»5
Winners in the Kndio Prize Contest 272
A WirelcHs Telegraph Transmitter with Tvro SfMirlc
Freciuenrim 2* ^
A Booth for Long Dintance Receiving . 2'4
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