The first camera that was small and portable enough to be practical for photography was built by Johann Zahn in 1685, though first photograph wasn't until 1814 by Joseph Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier.
The Steam Engine
The first practical steam-powered 'engine' was a water pump, developed in 1698 by Thomas Savery.The first commercially successful engine did not appear until 1712. Paved the way for the Industrial Revolution.
Nicolas-Joseph Cugnot is often credited with building the first self-propelled mechanical vehicle or automobile in about 1769.
The Sewing Machine
In 1791 British inventor Thomas Saint was the first to design a sewing machine. Though, a working model was never built.
The first bi-directional transmission of clear speech marked the invention of the elctric telephone by Alexander Graham Bell.
The Light Bulb
The electric light, something that we use every day and that is a crucial part of our daily lives, was invented in 1879 by Thomas Edison.
In 1884 Paul Gottlieb Nipkow, a 20-year old university student in Germany, patented the first electromechanical television system, though many discoveries after him led to the TVs we have today.
The discovery of penicillin is attributed to Scottish scientist Alexander Fleming in 1928.
The Computer (ENIAC)
ENIAC (Electronic Numerical Integrator And Computer) was the first general-purpose electronic computer.
The Wheel (8000 B.C.)
The wheel is one of the oldest and most important technological discoveries. Though, it is a mystery as to who invented the wheel and when the wheel was invented. According to archaeologists, it was probably invented in around 8,000 B.C. in Asia. The oldest wheel known however, was discovered in Mesopotamia and probably dates back to 3,500 B.C