SOME INVENTIONS THAT CHANGED THE WORLD.


SOME INVENTIONS THAT CHANGED THE WORLD


BLOWN GLASS (c.100 B.C.E):


“Blowing allowed for previously unparalleled versatility and speed of manufacture”.

CLAW HAMMER (C.79):


“A  worker may be the hammer’s master, but the hammer still prevails….”

CANNON (C.1128):


“ shells are made of cast iron… and are sent flying toward the enemy camp from an eruptor.”

POCKET WATCH (C.1508):


“Peter Henlein… makes from a little iron a pocket clock with a lot of wheels”.

COMBINATION LOCK (C.1550):


“we ride nonpolluting bicycles to save mankind, but we lock them because we can’t trust mankind.”

MICROSCOPE (c.1590):


“Nature composes some of her loveliest poems for the microscope and the telescope.”

NEWSPAPER (c.1605):


“a news paper consists of just the same number of words, whether there be any news in it or not.”

SPINNING MULE (c.1779)


Clothing, woven cloth, spinning wheel, flying shuttle, spinning jenny, powered loom.

SAFETY MATCH (1844):


“How is it that one careless match can start a forest fire, but it takes a whole box to start a campfire.”

Single – lens Reflex Camera (1861):


See also photography, compound camera lens , film camera, portable ”brownie” camera, 35- MM camera

Spring Tape Measure (1868):


Standard measure, vernier scale,  metric system, SI units

Electrical Generator (1869):


See also public electricity supply, electricity meter

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