
An Automatic Sharpener on an Electric Meat Slicer, An Engine that will Run on Several Fuels and more

An Automatic Sharpener on an Electric Meat Slicer, An Engine that will Run on Several Fuels and more

Aids to Navigation on the Missouri River
Concrete Piles Employed in Dam Construction

The Auto-Truck for Coal Delivery
From Railway Car to Consumer

An Automatic Gasoline Engine Cream Separator

A Machine for Sawing Granite
A Most Useful Adjunct in the New England Quarries

Makinǵ Ice with Heat
Refrigeration without Power for Home Use

A Concrete Bridǵe of Strikinǵ Desiǵn
A Pleasing Adaptation of Old Mission Architecture

The Inventor's Department- December 23, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting

Novel Portable Gasoline Motor-driven Air Compressor
Suitable for Inflating Pneumatic Tires

Automobile Novelties
New Things in America and Europe

A Gravity Service for Handlinǵ Bricks
A Remarkable Labor-Saving Device

Nocturnal Warfare
An Automobile-mounted Searchlight for the French Army

An Enǵlish Water Dynamometer for Absorbinǵ 1,000 Brake Horse-power

A Gasoline Tractor of 100 Horse-power Capacity
A Mechanical Horse for the Farm

A Spanish Mininǵ Concrete Pier
A Remarhable Cement Structure at Guadalquivir

Modern German Police Call and Fire Alarm Systems
Some Recent German Designs

Modern Coal Cutting Machinery and Mine Railways
Remarkable Labor-Saving Devices

A Unique Wind Vane and Electric Indicator

Workmen's Molded Concrete Homes

An English Automobile Turbine Fire Pump

Combination Gasoline Traction Engine with Ditcher Wheel Attachment

Novel Submarine Concrete Work
A Unique Pontoon Method of Concrete Construction

Hoisting Boats Electrically
The Anderton Electric Driven Canal Boat Elevator

A Gasoline Motor-Driven Tile Ditcher