Seismograph Quiz App | Learn Inventions Quiz e-Book PDF
Inventions MCQs (Grade 8) From Textbook

Inventions MCQs – Certification Test 568

Seismograph Quiz (Question 568) – App & e-Book Download

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MCQ 568: First modern seismograph was patented by:

  1. Sir Walter Brattain
  2. Sir T.J Blachut
  3. Sir John Milne
  4. Sir Walter Wingfield

Seismograph Quiz App & e-Book – Inventions Learning Guide

Free Seismograph Book App – Download for iOS & Android

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Seismograph Quiz App Download: iOS & Android Apps

Seismograph Quiz App

General Knowledge Quiz App Download: Android & iOS Apps

General Knowledge Quiz App

Introduction to Psychology Quiz App Download: Android & iOS Apps

Introduction to Psychology Quiz App

RF Electronics Quiz App Download: Android & iOS Apps

RF Electronics Quiz App