Inventions Practice Tests
Inventions Online Tests
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The MCQ: Post letters were invented by a Frenchman named as; "Post letters" App Download (Free) with answers: Sir Otto Blathy; Sir Henry Ruttan; Sir Elie Franklin Burton; Sir De Valayer; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple eBook (Free Sample) for school certificate.
The postal system was established in which one of the following countries?
Post letters were invented by a Frenchman named as
In which one of the following year Postal systems was established?
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