INDEX TO VOLUME J) 2
��Page
Locating Splinters 646
Pocket Drinking-Cup Folds Up Like Purse 682
Bacteria Die in the Light 713
Model of Jaw for Study in Dentistry 717
Let Vour Feet Breathe 720
A Thousand Dentists in the U. S. Army 723
Tilting End-Pieces for Your Eye Classes 747
Leglessness Is No Drawback 753
No Race Suicide Among the Bacteria 759
Old Age Is Not a Matter of Years. But of Recupera- tive Power 807
Bathtubs for the Eyes 836
Repairing the Ravages of War 874-75
Beware of the Perils of the High Heel 905
Fasting Is Not What It's Cracked Up to Be 917
��MILITARY AND NAVAL SCIENCE
The Latest Thing in German Sniper's Masks
Warning London of Zeppelin Raids
Loading Machine Gun Cartridge Belts with
Rapidity
Plumbers Will Plumb — Even 'n Army
Voice Pipes for a Ship's Gunners
The Liquid Fire of the Trenches Is Not So Deadly
as 1 1 Looks
Training "Tommies" to Lay Wires in the Dark. . .
You Can Be Your Own Gunsmith
Out-"Minening " Minenwerfers . .
The Soldier Can Now Lie Down on His New Bed
of Air
The Unforgettable Fact — The Murder of France's
Churches .
Pulling Horses Out of the Mud in Stricken
Flanders
The Mechanical Owl of the French Army
Circular Barbed Wire Entanglements
A Toy Machine Gun
A Submarine for One Man
A Metal Mirror
Bubbles in the Blood Kill Soldiers
A Camouflaged German Observation Post
Cone-Shaped Helmets
A Soldier's Fignting Equipment
Paper Bullets
Making the Machine Gun Noiseless
Is the Wind Right for Gas? Look at the Trench
Weather Vane
It's a Land Torpedo and It Eats Barbed Wire . . Cleaning a Rifle Barrel by Shooting a Cartridge
Through It
The Soldier's Belt Is a Chandelier
Another Automobile Kitchen to Follow Our Boys
at the Front
Shielding the Munition Worker Behind Steel Walls
A New Type of Joint Box Which Prevents Sub- marine Cable Breaks
Firing Bullets from a Slot at the End of a Shotgun
The Soldier's Cobbler Kit
The Camera-Gun
Saving a Ship with a Metal Apron
A Catholic IdentiTication Book for Mortally Wounded Soldiers
English Jackics Go to School
Supplying Submarines by Trailer
The Steel-Plated, Helmeted Knight of the Trenches
Tent Stoves to Keep Our Soldier Boj's Warm in the Training C'amps
Making the Frenchman a Fighter
Wire Cutter Attached to Gun
Shells That Burn and Suffocate
The Hell-Trench of the Piave
How Ride Shells Are Loaded
Giving France the Locomotives She Needs
A Mirror on Your Bayonet
Firing a Cannon from a Cannon
Submarines to Foil Submarines
The Giant Periscope
Butchering an Auto to Make a Tank Holiday. . . .
Can You Tell Which Part of These Ruins Is Camouflage >
Would She Be Crushed by the Sea >
Clock of Klrrllirrn
Allie<I ( Ountrirn Restrict Use of Gasoline
.Safely f-irsl in Mine-Sweeping
Selecting Men Made Easy
A French Outpost Close to the German Lines ....
��43 48 59 63 64 67 67 69 69 71 78 79
87 94
97 102
102 104
105 107 112 118 163
165 171 186 189
195 198 202 203 220 222 232 237 241 242 260 324
325 342 345 351 354 359 364
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A Gun Which Will Lie Down 368
Identification Tag for Navy Men 379
Making a Trench Rifle Out of the Springfield 388
A Navy Service Flag 400
Why Not Hooverize by Eating Reptiles? 418
Gunning for Aircraft — How the Italians Do it . . . 419 How Our German Prisoners of War Amuse Them- selves . 424
U. S. Government Tested Much War Machinery in
1917 .• 435
Netting the Airman 483
Camouflaged Observation Towers from Which to
See, But Not to Be Seen 485
How the British Hauled Their Giant Guns to the
Flanders Front 486
Traveling with a Possible Earthquake 487
Gulls Betray Presence of Submarines 505
Great Catherine Is Veiled but Not Destroyed by
Russian Revolutionists 505
Our Artillery Shoots at Curling Smoke for Practice 506
The Eyes in the Air 508
Submersible Forts to Protect Coast . . 512
Italian War Dogs Are Well Cared For 513
Hiding Ships from Submarines 514
Dropping Death from the Skies 518
King Weather Rules the War 524
Now Appears the Elephant of the Air 528
Turn Your Coat Tails Into Trousers 537
The Browning Gun 538
Boxes of Air to Foil the Torpedo 544
Hooverizing Daylight 546
Eyes for the Navy Are Greatly Needed 549
Remember the Old Checkered Linoleum? 552
Sirens Give Warning ot the Approach of Raiders. 555
Why Tanks Are Giant Caterpillars 556
Trinkets and Jewels — Into the Melting Pot They
Go to Help Win the War 560
Dealing Death with Depth Bombs 562
The War Hath Slain Its Millions, but the Nursery
I ts Ten-millions 567
Conquering the Pole by Airplane 572
How Would You Like to Wear a Bell-Shaped
Helmet with Shutters? 575
Spotting Submarines from Balloon 578
The Air Pilot's Flying Log Book 580
The Motorcycle in Warfare 581
The Automobilist's Automatic Pathfinder 582
Heavy Artillery Is the Correct Weapon for Shoot- ing Canaries 583
Acetylene Trench Gun 586
Torpedo-Proofing Ships with Air Tanks 587
"Mothers" for Airplanes at Sea 590 •
Two Hundred Aviators Lost in Year 594
Bullets That Shoot Through Steel 599
England Must Have Its Tea, Even If It Is War- time 600
Laundry for Forty Thousand Soldiers 644
Soldiers" Waistcoats of Kid Gloves 645
Dogs as Patriotic Helpers in a Good Cause 646
No More Rubber Tires in Germany 646
Chain Armor to Protect the Eyes 647
Watertight Compartments to Protect Ships 667
Lofty French Observation Point Near Dixmude . . 672
British Dummy Battleships 689
A Cylinder for Carrying the Wounded 6*JI
Trees Felled on the Cambrai Road 691
A Camp Picture F rame 696
Seagulls "Spot " Submarines 698
Insulating a Hot Rifle Barrel 698
The Lombard Gun 699
Shoe Protectors from Shell Cases 700
A Floating Invitation to Suicide 705
Our War Sugar Bowl 710
Two Thousand Marines Form Eagle 713
What Two 50-Dollar Liberty Bonds Will Buy. 7 14-7 I 5
Walnut for Gun Storks 716
A Queer Improvised Ambulance in Use in France. 721
Some War Breads _^ 733
Soldier's Combined Fork and Spoon 738
Chemicals and Machines Supplant Men in War. , . 744
War Sees Return to Ancicrit Weapons 754
Army Horses Must He Good-Tcmpered 759
War Provides an F^xpcnsive Clothes-Rack 759
The Martyr Pigeon of the British Navy 805
The Story of a wireless Hero 828
Death Traps in Seemingly Unoccupied Fields... 851 Running Down a U-Boat with a Sub-Sea Barrage 854
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