Page:Popular Science Monthly Volume 90.djvu/7

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I N D E X.

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Volume 90 — January-June, 1917
AERONAUTICS	PAGE
Ruth Law Makes Record Flight	106
Dangling 'Twixt Earth and Sky from a Zeppelin	185
The Night Mail	369
The Motor Goose	370
A Bird-like Airplane	375
Ruth Law's Triplane	378
The Cavalry Horse of the Air	397
Making the Airplane Tire a Hundred Per Cent Efficient	414
Searchlights Watching for Airplanes	490
Shooting at Bird-Men with the New French Guns	512
Why Zeppelins Are Frightful	518
The Aerial Taxicab	542
An Airplane Propeller Made of Lacquer	671
How Aviators Land Safely at Night	680
Torpedoing from an Airplane	690
A Twelve-Cylinder Airplane Engine	696
A Shock-Absorbing Airplane Wheel	855
Adding the Motorcycle to Airplane Equipment	864
AGRICULTURAL SCIENCE	PAGE
Tempering the Wind to the Farm with Tree	30
Farming in Your Cellar	55
How the Forest Service Gathers Pine Seeds	67
Making the Automobile Do the Chores	119
A Knitting Needle Used for Testing Milk	146
Growing Chrysanthemums	169
Shipping Day-Old Chicks Is Profitable at Both Ends	190
A Spinal-Column Harness for the Workman	194
Growing Potatoes on the Roots of a Tomato Plant	203
Taking Care of Honey Bees During the Winter	206
Wall Street Goes a-Farming	233
Comfortable Cork Brick Flooring for Cattle	255
New Cream Separator Governor Is Based on Novel Principles	423
Mothering Orphaned Animals with a Make-Believe Nipple	437
Modern Conveniences on the Farm	444
The Amount and Distribution of Water on a Farm	451
Modern Squabhouse Construction	453
A Bulletin Board for Making Sales of Farm Produce	463
A Method of Keeping a Rabbit's Cage Clean	464
Stimulating a Plant's "Digestion" by Electricity	510
Making Hogs Grind Their Own Grain Food	511
Quartering Potatoes for Seed with a New Double-Blade Cutter	596
Converting an Automobile into a Farm Workhorse	598
An Easily Constructed Pan for Sterilizing Dairy Utensils	617
A Combined Waterpot and Hoe	728
Portable Saw and Pump Outfits	746
Grow Potatoes in Window-Boxes	746
Coaxing Birds to Your Garden	756
Making a Small Colony Poultry House	776
Planting Strawberries by Machine	870
Plowing the Farm by Automobile	881
Enveloping Trees in Freezers to Study Temperature Effects	882
Entertaining the Crow	892
Picking Fruit from Tall Trees While Standing on the Ground	897
An Improvised Tree Sprayer and Fire Engine Combined	909
Rain When the Farmer Wants It	913
Killing the Insect Pests of Trees with Poisonous Gas	915
ARCHITECTURE	PAGE
Curing an Auditorium of Echoes	241
A German Village on American Soil	424
A Million-Dollar Schoolhouse	496
A Thousand-Dollar Playhouse	498
Liberty's Torch	552
A Hollow Waterproof Tile Building Block	679
A World's Fair Skyscraper	716
A "Crazy Patch" House	807
Reducing Fire Hazards	868
Protecting Canal Zone Buildings with an Oil Moat for Insects	882
A Tree That Served as a Home and Is Now a Bandstand	902
A Five-room Bungalow	931
ASTRONOMY	PAGE
The Most Wonderful World in the Universe	264
Is Space Itself Luminous?	271
Prospecting the Skies	903
CHEMISTRY	PAGE
Chemistry — An Important Factor in Criminology	42
Making Imitation Leather from Paper Preparations	113
A Mixture for Cleaning Paint	121
Chemically Hardening and Dust-Proofing Floors	302
A Vest-Pocket Sterilizer	400
Potash from Seaweed — An Industry in the Making	575
How Paints Are Made	593
Goggles to Be Used When Making Chemical Experiments	610
Oxidizing Iron with Fumes from, Acids	612
Try Artificial Milk	680
Dried Vegetables	698
Another Outcome of the War — The American Evaporated Vegetable	727
Writing Paper Made from Spinach Stems	742
Making Artificial Cream that Rivals the Original	749
The Wonders of Coal Tar	874
A Convenient Method of Handling Dangerous Acids	929
Making a Paint That Will Stand Washing	930
CIVIL ENGINEERING	PAGE
Laying Pipes in a New Zealand River	40
Endangering Your Life for an Imaginary Line	99
A Wooden Boulevard Over the Desert	116
Suppose New York's Harbor Were Drained	164
France Completes the World's Largest Tunnel	197
Protecting San Francisco's Beach	259
Widening a River with a Steam Shovel	343
How the Office Adding Machine Is Employed in Surveying	348
The Spaulding Dam	507
Traffic Highways Under the Hudson River	508
A Grass Bridge. A Remarkable Feat in Civil Engineering	564
How Baltimore Protects Newly Paved Streets and Saves Time and Trouble	596
It's Sheer Weight That Keeps a Pier in Place	600
Surveying Wagon	645
As a Lineman He Has Climbed Eight Hundred Miles	665
Hammering Road-Beds to Make Them Even	733
Making Floods Work	738
Measurements of the Valleys of the Deep	748
One of the Longest Tunnels in the World Is Planned for New York	750
ELECTRICITY	PAGE
Seeing the Sounds That You Sing	29
An Electric Light Attachment for Eye-Shades	30
Finding the Keyhole at Night	60

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