Inventions Practice Tests
Inventions Online Tests
The Adding machine Multiple Choice Questions (MCQ Quiz) with Answers PDF (Adding machine MCQ PDF e-Book) download to practice Inventions Tests. Study Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Adding machine quiz answers PDF for online elementary school classes. The Adding machine MCQ App Download: Free learning app for modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.
The MCQ: Adding machine was invented by; "Adding machine" App Download (Free) with answers: Sir Wilhelm Schickard; Sir Blaise Pascal; Sir Christian Huygens; Sir Francis Bacon; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple eBook (Free Sample) for school certificate.
In which one of the following year, adding machine was patented?
Adding machine was invented by
The App: Adding machine MCQs App to learn Adding machine Textbook, Inventions MCQ App, and General Knowledge MCQ App. The "Adding machine" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!