Page:Popular Mechanics 1928 02.pdf/3

London: Hachette & Cie.,
16-17 King William Street, Charing Cross, W.C. 2

Paris: Hachette & Cie.,
111 Rue Reaumur

Melbourne: Gordon & Gotch
509-513 Little Collins St.

In United States and its possessions, also Canada, Cuba, and Mexico, per year, postpaid $2.50

To all other countries in the Postal Union 3.00

All subscriptions are discontinued at expiration. Please examine the date printed on your wrapper.

Entered as Second Class Matter Sept. 15, 1903, at the Post Office at Chicago, Illinois, under Act of March 3rd, 1879.

Entered as Second Class Matter at the Post Office Department, Canada.

Special Features

Battling for Life in a Blue-Black Sky 177

Cooking a Steak in Thirty Seconds 183

When Radio Comes by Wire 188

The Bottom of the World 195

True Stories of Sea Tragedies 202

Guardians of the Ghost Camps 219

Man-Made Wings Change World's Face 235

Digging for Diamonds 250

Unveiling the Mysteries of Pagan Magic 258

Fame and Fortune Awaiting Inventors 267

Advertising

moving window display run by light-socket motor 249

plaster hen for chicken dinners 296

wicker chair ten feet high 216

Aerial Cable—carries locomotive across canyon 266

Airplanes

collection of models suggests new hobby 279

plane rights itself with safety slot 231

Ambulance—motorcycle, to aid fire victims 218

Ant Bear—is ship's pet 289

Apples—peeler and corer for speeds pie making 279

Army—winch to load guns saves time and work 210

Automobiles

"backboned" chassis reduces body strains 182

car turns in own length 201

has everything from radio to camera 181

luxurious road yacht provides comforts 249

removable-head piston simplifies changing rings 185

wreck car has platform to carry autos 281

Automobiles—Accessories

heater keeps motor warm in cold garage 288

holder for skid chains 225

lights on bumper for safe driving 257

Automobiles—Parking—in spiral skyscraper 278

Automobiles—Wheels—quick changing reduce tire wear 180

Aviation

airplane picks up packages shot from cannon 265

new aid for 257

school holds classes in the clouds 284

Wilbur Wright Field 280

Axles—hollow quickly made from steel billets 217

Banjo

long-bodied produces sweeter tones 255

three-in-one, played like ukulele 230

Bank—vault door of pure copper defies torch 285

Batteries

filler cap prevents spilling water 247

storage, pocket tester saves time 223

Bell—largest silver, for British warship 265

Blowtorch—safety valve prevents explosions 234

Boats—hand-propelled water sled gives helpful exercise 230

Brick—cleaner and shaper saves time and work 290

Bridge—accurately constructed Japanese 209

Building Construction

setting cathedral arches tests engineers' skill 218

vibration stopped with mats 215

Burglar Alarm—automatic gun replaces bell 208

Checkers—played with poles outdoors 255

Cheese—hundreds of kinds made in France 239

Church—shaped like stadium 192

Columbus—huge statue will contain shrine 241

Concrete—chemicals produce lasting staining of 218

Deafness—pictures of voice help children learn speech 273

Dogs—thrilling races of the north 212

Education—modern life brings new lessons to the school 256

Electricity

giant light uses skyscrapers as billboards 211

380,000 volts carried 400 miles 274

Fire Alarm—weight drops for fire call 179

Fleas—the flea circus 227

Flooring—parquet, rolls up like carpet 181

Flowers

boxes of, on light standards watered by extension pole 201

buttonhole, kept fresh in small vase 224

Forests—traces of vanished, dug up in Oregon 216

Furniture—vault saves handling in storage 242

Gauge—detects bending of brick by finger pressure 295

Golf

ball holder fits in bag 210

broken tile as hazards test players' skill 289

is hard work 181

played at night with luminous balls 296

tennis net as bunker improves game 264

Guy Wires—clamp to hold 229

Health Resort—bathing sling for invalids aids in treatment 179

House Plan 352

Household Devices 286

Ice Cream—five-minute freezer used on table 290

Iceberg—ten-mile, in Magellan straits 234

Iron—wax models for wrought-iron decoration 186

Knife—pen and pencil in handle 217

Label—Moisteners—of rubber cannot be broken 216

Ladder—safety, folds flat 274

Leather—from the sea 275