Page:Popular Science Monthly Volume 92.djvu/14

 INDEX TO VOLUME 92

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Control Water in a Bath Tub 612

A Cement for Firmly Holding Glass on Metal .... 612 Fastening Cases to Railing in Historical Museum 612

Simple Designs for Sheet Metal Working 613

Cutting Asphalt After Removing Metal Covering 615 Intensifying Under-Exposed Blueprints with

Hydrogen Peroxide 615

Making a Simple Press of Boards for Trousers. . . 616

Demonstration of Spontaneous Combustion 616

Temporary Repair on a Broken Spindle 616

An Adjustable Radius Turning Tool for Lathes. . 617 Protecting the Soles of Shoes with Ordinary

Varnish 617

A Metal Clip Formed with One Operation 617

A Wood Mold for Casting Miniature Car Wheels 618 Compasses Made Into a Combination Drawing Tool 61 8

Open Canoe Cruising 619

An Attractive Heat-Driven Window Display of

Gas Fixtures 623

Permanently Fastening Joints Held with Screw- Unions 623

Little Ways in Which You Can Save Gasoline. . . . 624 Discovering a Card Chosen but Not Taken (rem

the Pack 624

Rejuvenating a Ribbon on an Adding Machine. . . 624

A Foot-Power Punch Press for Light Work 625

Homemade Laminated Pulleys for the Small Shop 625 A Lawn Mower Converted Into a Handy Truck. . 626 A Dam to Prevent Top Soil from Washing Away. 626 To Prevent Leather Belts from Slipping on Pulleys 627

Mounting a Porcelain Electric Light Base 627

Mounting a Glass Plate Without Drilling It 628

Securing'Wood or Metal Molding to Plaster Walls 631 A Simple Method of Silvering Brass and Copper. . 640

Birds Take Their Own Picture 761

Holding a Board with the Weigh of a Newspaper. 763 A Homemade Wrench for Turning Small Inac- cessible Nuts 763

Homemade Hectograph 763

A Folding Bicycle Stand for the Home Shop 764

A Homemade Lifter for Gasoline Engine Valves. 764 Do You Grow RosesV Here Is a Little Information 765 A Reflex Attachment for Use on a Hand Camera. . 766

Fastening a Breather Cap Securely 766

Spreading the Air Currents from a Desk Fan 766

Open Canoe Cruising 767

Freezing a Glass Tumbler to a Block of Wood 770

Building a Model Airplane Kite 771

A Rake with Detachable Tooth-Holder 772

Cabbage Root Maggots and How to Control Them 773

Cutting a Heater Pipe with a Can Opener 773

The Color of Gasoline Does Not Denote Its Quality 774

Conve.'ting a Porch Swing Into a Baby's Bed 774

Making a Lawn Leveling Temper of Wood 774

Removing Yellow Stains from Piano Keys 774

Simple Designs for Sheet Metal Working 775

Do Not Use Fuel Savers. Reg ilate Your Damr>p-'s 778 Bracing for Belt Guard to Cover Counter-shaft 778 Carrots Used as a Substitute for Eggs in Puddings. 778 Here is a Combination Fence and Lawn Sprinkler 779

Changing Ink Into Water 779

Arrangement of Desk for Accessibility 780

Fill Up the Cuts in Your Tires 780

A Bucket Type Wind Motor 781

Adding and Subtracting Machine of Cardboard. . . 782

A .Simple Sawdust Reflector 783

A Balancing Ladder for Home Gymnasiim 784

Mounting Photographs .So That They Will Not Curl 784

Homemade Power Tapping Machine Work 785

A Homc.nade Bench Vise for Small Work 785

An Easily Operated Clamp for Concrete Forms. . 786 A Receptacle for Holding Graphite in aClean Way 786

.Simple Homemade Sun Drier for Fruits 786

A Clip for Removing Insulation from Wires 787

A Depth Indicator for a House Water Tank 787

A Combined Microphone and One-Way Telephone 788

Restoring Bichromate of F^otash 788

Switchboard Constructed for Use in the Laboratory 790 Methods of Construction for Telephone Wires 791

How to Make Weather-Proof Goose-Neck 799

Temporary Repair for a Slipping Magneto Shaft. . 799 Cleaning .Spark-Plugs with Phonograph Needles. . 800 How to Make an Air Operated Metal Punch for the

Shop. 921

Keeping Foods and Eggs Fresh on C'amping Trips 921 Auto Bearings and How to Care for Them Properly 922 .Strengthening Hammer Handles with .Steel Strips. 923

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Wall Hanger for the Ordinary Electric Lamp Stand 923

Inexpensive Aluminum Polish 923

Constructing a Convenient Table for the Porch. . . 924

A Garden Barbecue 925

Cow Horns Effectively Used in Library Chair and

Table 926

Open Canoe Cruising 927

Wing Attachments on Shoes to Aid the Swimmer. 930

Fishline Float Made of an Ordinary Thread Spool 930

Convenient Material for a Bait-Catching Net. . . . 930 Banding a Tree Trunk to Catch and Destroy

Moths 931

Cleaning the Gilded Portion on Picture Frames. . . 931

Cooling Camp Food by the Evaporation Method. 931

Rocking-Board See-saw for Children's Playground 932

Old "Tin Fruit Cans May Be Used Over Again 932

An Overhead Dove-Tail Suspension for Table

Drawers 932

How to Make a Pocket Plumb and Level in a Block 93 3

Making Camp Hammocks from Gunny Sacks 933

Cement for Mending Valuable China Dishes 933

Stakes with Guide Lines for Hoeing Garden Beds. . 934

Combination Camp Kitchen Cabinet and Table. 934

Simple Designs for Sheet Metal Working 935

Making a Lattice Trellis for Roses and Vines 938

How to Make an Efficient Fireless Cooker 939

A Driver for Holding a Screw While Turning It. . . 940

Extension Holder for Hauling Long Stock 940

A Rope Suspension Bridge for a Garden 941

Starting a Very Small Screw with Adhesive Tape. . 942

Scaffold for Holding in Place with a Pole 942

Holding Photographic Plates from Tray Bottom. . 942

A Convenient Summer Cottage 943

How to Make an Automobile Spring Leaf- Separator 944

Self-Measuring Wheelbarrow for Aggregates 945

Applying Grease to Working Gloves to Make

Them Wear 945

Making a Photographic Timer Out of Watch ..... 945

Joining the Ends of Carpet Rags Without Sewing 945

An Inexpensive and Effective Water Cooler. 946

Renewing a Worn Artist's Brush by Repointing It 946

A Spring Lock for the Cover of a Garbage Can .... 946

Thimble Used as a Ferrule on a TobI Handle 952

RADIO COMMUNICATION A Waterproof Mounting for a Circular Piece of

Glass 146

Code for Use with a Bugle to Transmit Messages. . 146 Resonant Annunciator to Operate on Alternating

Current '47

An Easily Constructed Variable Condenser 149

A Simple Method for Determining Condenser

Capacity I 52

Telegraphing by Wireless Through the Ground. . . 153

High Frequency Apparatus 155

Wireless Work in Wartime 157

A New Condenser to Protect Wireless Generators 313 Increasing the Range of the Ground Wireless Sta- tion ■" 4

Wireless Work in Wartime 317

Wireless Plotting Muffled by Band Music 468

Wireless Work in Wartime 477

Now We Reach the Philippines Directly by

Wireless 631

Wireless Work in Wartime 632

A Simple Compact Short Distance Wireless

Telephone 639

Delicate Sound Amplifier for Telephone Receivers. 789

Alternating Current Charging Without Rectifier. . 790

Wireless Work in Wartime 797

Lighthouse Sends Radio Fog Warning Out to Sea. 800

The Story of a Wireless Hero 828

Home-Training for Wireless Heroes 910

Wireless Work in Wartime 957

Mind Reading by Wireless 939

RAILWAYS

The Axle Periscope 54

A Gasoline Locomotive for the Trenches 70

Preventing Cars from Telescoping by Means of

Collision Buffers 94

The Engineer's Watch-Holder 106

Periscope for the Engineer in His Cab. 108

Melting Snow in the Track of a Locomotive 213

Wasting Goods Shipped by Freight 2 50

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