THOMAS EDISON

FACTS

• Thomas Edison was born on February 11 , 1847 in Milan , Ohio .
• He died on October 18 , 1931 in West orange , NJ
• He had other kids called Theodore miller Edison , Charles Edison , Madeleine Edison , William Leslie Edison , Marion Estelle Edison , and Thomas Alva Edison jr .
• Thomas Edison was one of the most highly regarded American inventors .
• By the age 12 Thomas Edison started losing his hearing and he liked it .

FACTS

• At the age 14 Edison saved a 3 year old kid from a runaway boxcar .
• In 1869 Edison's first patented inventions was a flop .
• Edison proposed marriage by morse code . He married a 16 year old girl .
• Thomas Edison had mysterious tattoo on his arm .
• Thomas Edison has 8 inventions .

QUADRUPLEX TELEGRAPH

• This is a type of electrical telegraph that allows a total of four separate
• Signals to be transmit all at the same time

PHONOGRAPH CYLINDER

• A commercial medium for recording and reproducing
• Sound Also known as records

CARBON MICROPHONE

• The carbon microphone is a transducer
• That converts sound to an electrical
• Audio signal .
• Also known for carbon button microscope
• button microscope , And carbon transmitter.

INCANDESCENT LIGHT BULB

• A light bulb . An electric light
• That produces light with filament wire.
• Filament wire is a very fine thread or threadlike
• structure; a fiber or fibril.

Movie camera

• The movie camera is a camera film
• Camera or a cine -camera is a type
• Of photographic camera .

ELECTRIC POWER DISTRIBUTION.

• Electricity distribution is the final stage
• In the delivery of electricity to end users
• A distribution systems network carries electricity
• From the transmission system and delivers it to
• Consumers .

MIMEOGRAPH

• A mimeograph on stencil duplication
• Is a low cost machine like a printer