Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful. ...

Instrumental or mechanical science is the noblest and, above all others, the most useful. (Leonardo Da Vinci)

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Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.

Leonardo Da Vinci Quotes: Instrumental or mechanical science is the noblest and, above all others, the most useful.