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SIMPLIFIED TELEGRAPH: In an effort to improve the telegraph
Edison produced one that did not require someone to manually tap out the message at the receiving end.
FASTER ELECTRIC TELEGRAPH: Edison's electric telegraph improved the speed in which signals were sent and received compared to earlier models.
PERFORATING PEN: Powered by a foot pedal
the perforating pen punctured sheets of paper creating stencils of handwritten documents and drawings.
STENCIL PEN: The stencil pen was the predecessor to tattoo pens.
PHONOGRAPH: The phonograph recorded and reproduced audible sounds using metallic foil on a cylinder.
CARBON TELEPHONE: In the history of the telephone
Edison is best known for the carbon transmitter that became the basis of telephone transmitters for more than a century.
PRACTICAL ELECTRIC LAMP: Edison's carbon filament light bulb was the first commercially viable electric light. Previous versions were not as durable and used expensive materials such as platinum.
ELECTRIC LIGHTING SYSTEM: Edison's system of electric lighting was designed to maintain the same amount of electricity throughout the device.
MOTOR THAT REGULATES ELECTRICITY: Edison designed a motor to help control the supply of electricity between devices such as lamps.
FRUIT PRESERVER: Edison designed a fruit preserver that sucked the oxygen out of the glass jars
producing vacuum-sealed jars of fruit.
ELECTRO MAGNETIC BRAKE: The electro magnetic brake was designed to stop vehicles on a railroad.
INCANDESCENT CHANDELIER: Edison grouped several incandescent lamps together to create the chandelier.
TURN TABLE FOR ELECTRIC RAILWAY: Edison's invention was powered by an electric current that ran through the rails to reduce the chances of a short-circuit.
ELECTRICAL CURRENT CONVERTER: The device lowered electrical currents from high to low tensions so as to save energy.
ELECTRICAL METER FOR DC POWER: Edison created an electrical meter that measured the electrical energy used from a DC generator
as opposed to an AC generator.
PERFORATING TYPEWRITER: Edison improved the typewriter by creating a typewriter that made clearer marks. It left perforated marks on a sheet of paper which were later filled with ink.
UNIVERSAL STOCK TICKER: Edison claimed his stock ticker
or telegraph was faster and easier to repair than existing print telegraphs.
ELECTRIC RAILWAY: Edison's electric railway consisted of conductors that were concealed between the rails
protecting them from short-circuiting.
ORE SEPARATOR: Edison designed an device that separates magnetic and non-magnetic materials.
DOLL PHONOGRAPH: Edison sought to create a phonograph that was small and cheap enough to be reproduced for dolls.
SPEAKING TELEGRAPH: Edison further improved the telegraph by creating a "speaking telegraph" that transmitted words that were clearer and more distinct.
ELECTRIC LOCOMOTIVE: Edison created the electric locomotive for areas where traffic was too light for the typical steam locomotives.
ELECTRICITY FROM DRY CHEMICAL REACTIONS: Edison realized he could generate electricity by filling an iron pot with iron oxides.
KINETOGRAPHIC CAMERA: The camera showed successive photos in a rapid speed so as to make them appear to be moving.
ROCK CRUSHER: Edison used two hard rollers to crush rocks.
WOOD AND RUBBER WHEEL: Edison designed a wheel that contained a tire made from wood and rubber for added traction.
CHEAPER PHOTOGRAPHIC FILM: Edison sought to improve film with a more affordable version that allowed more light to pass through. He used a strip of low carbon steel that was perforated.
ALKALINE BATTERY: While experimenting with an iron and nickle battery
Edison discovered an alkaline solution that produced an longer-lasting battery.
FLUORESCENT ELECTRIC LAMP: Edison created a fluorescent electric lamp using tungsten of calcium and strontium.
IMPROVED AUTOMOBILE: Although Nicolas-Joseph Cugnot built the first self-propelled automobile in 1769
Edison designed an automobile whose wheels were better aligned with the car.
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