INDEX TO VOLUME 88
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How to Send Coins by Mail 764
Frying Eggs by Means of an Incandescent Bulb. . 770
A Carbon Copy Postal Card 770
A Sewer Banquet at $25 a Plate 809
Hanging a Defective Boiler Plug as a Warning. . . 810
An Egg with Hour Ridges 811
Freezing Cocoanuts to Get at the Milk 811
An Ingenious Combined Lawn Mower and Roller 81 I
Listening to an Electric Current 813
The House That Tin Cans Built 814
A Switchman Who Became Judge, Though Armless 8 I 6
Why We Can See Through Water 816
Germany's Rubber Trade 817
A New Type of Motor Horse Ambulance 817
The Longest Wagon-Bridge in the World 818
Watch Your Oil for Gold Teeth 818
Protecting a Bridge from Villa with Acetylene
Lamps 819
A Strange Persian Cistern 820
Swimming by Searchlight 820
Traveling by Parcel Post 83 1
Locating a Thunderstorm 832
Moving Furniture with a Motorcycle 832
Stores on Wheels 832
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These Desert Mates Never Quarrel 851
This Gold Dredge Is a Glutton 85 1
Two New Colossal Bridges 85 1
Why Does a Rifle Crack 853
Vegetation That Thrives Where Water Is Scarce. . 856
Inventions for the Navy 861
A Summer House from Straw Bottle-Casings 868
A Water- Wagon in Actual Use 868
Austria Exhibits Paper Substitutes for Cloth .... 869
Chasing Butterflies for Money 872
Some Record Dredging at Panama 876
A Fender for London Omnibuses 877
He Did It with His Little Magnet 877
Making the Burglar Chase Himself 88 I
Signaling Three Hundred Miles 896
Orange Peel Oil Is Explosive 897
A Model of Trinidad's Famous Asphalt Lake. . . . 902
Freak Motorcycle Carries Four Passengers 905
Limbering the Muscles of Fire-Fighters 910
One Reason for Appreciating the Value of Birds. . 910
Game Preserve for Ducks 911
What Time Is It? Half-Past Aunt Sarah by "This
Watch 911
Why Does a Rifle Crack 853
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