Inventions Practice Tests
Inventions Online Tests
The Stamps Multiple Choice Questions (MCQ Quiz) with Answers PDF (Stamps MCQ PDF e-Book) download to practice Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Stamps quiz answers PDF for online elementary school classes. The Stamps MCQ App Download: Free learning app for modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.
The MCQ: Postage Stamps were patented by; "Stamps" App Download (Free) with answers: Sir Henry W. Seelay; Sir Schuyler Skaats Wheeler; Sir Walter Wingfield; Sir Rowland Hill; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google eBook (Free Sample) for school certificate.
In which one of the following year, postage stamps were discovered?
Postage Stamps were patented by
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