Innovations

Clock
The earliest known clock with a water-powered escapement mechanism, which transferred rotational energy into intermittent motions.
The first mechanical clocks, employing the verge escapement mechanism with a foliot or balance wheel timekeeper, were invented in Europe at around the start of the 14th century, and became the standard timekeeping device

8. Alexander Graham Bell and telephone
Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. 
In 1871, Bell started working on the harmonic telegraph — a device that allowed multiple messages to be transmitted over a wire at the same time.
Bell secured exclusive rights to the technology and launched the Bell Telephone Company in 1877. 

9.  Refrigerator
The concept of mechanical refrigeration began when William Cullen, a Scottish doctor, observed that evaporation had a cooling effect in the 1720s.
William Cullen who designed a small refrigerating machine in 1755.
He used a pump to create a partial vacuum, ether boiled and absorbed the heat from the surrounding air. This resulted in a small amount of ice.
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