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600
Static Electricity
was created by Tales of Miletus -
Steam Machine
Was created by Thomas savery and Edward Sumeiser -
The Phone
Was created by Alexander Graham Bell and Antonio Meucci -
The Polygraph
Was created by John Augustus l, William moulton and James Mackenzie -
Printed Circuit
Was created by Paul Eliecer -
Vaccum Value Computer
Was created by John Vincent -
Helicopter
Was created by Igor Sikorski and Paul Tornu -
Microwave
Was created by Percey Spencer -
Digital Camera
Was created by Steven Sassan -
Potable CD Player
Was created by Sony -
USB - Pen Drive
was created by Dov Moran