plain scale sentence in Hindi

Examples

1. In 1659 appeared his " Geometricall Dyalling, or Dyalling performed by a Line of Chords only ", and " The Mariner's Plain Scale new Plained ", a treatise on navigation for the East India Company's navy.
2. According to Parsons and Morris, the use of Wright's publications by later mathematicians is the " greatest tribute to his life's work " . and by John Collins in " Navigation by the Mariners Plain Scale New Plain'd " ( 1659 ), Collins stating that Mercator's chart ought " more properly to be called Wright's chart ".