Inventions : X To Z
The invention that no one wanted
at first; yet it changed the world.
The history of the X-Ray. Diagnostic
X-Ray systems were invented by Robert Ledley. The X-Ray tube was invented
by William Coolidge.
In 1886, Reuben H. Donnelly produced
the first Yellow Pages directory. The history of the telephone.
The history of the Yo-Yo.
The history of the Zamboni, the
original ice cleaning machine invented by Frank Zamboni.
The history and inventors behind
all airships, balloons, blimps, dirigibles and zeppelins.
The history of the zipper - original
patents and prototypes of the zipper.
If you cannot find what you want
by invention, try by the inventor.
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