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Slide rule MCQs App Download | Inventions Apps (Android & iOS)

Inventions MCQs: Complete Course

Slide rule MCQs App Download & PDF e-Book | 476

MCQ: 476

Circular and rectangular slide ruler was invented by

  1. Sir Walter Brattain
  2. Sir T.J Blachut
  3. Sir William Oughtred
  4. Sir Walter Wingfield

Inventions App & e-Book Tests PDF Download

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Slide rule Apps (Android & iOS)

Slide rule App

General Knowledge Apps (Android & iOS)

General Knowledge App

Basic Electronics Apps (Android & iOS)

Basic Electronics App

C Sharp Apps (Android & iOS)

C Sharp App