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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