Turbine Francis — Wikipédia

File:Francis turbine parts de.png - Wikimedia Commons

File:Water turbine runners.jpg - Wikipedia

File:FrancisSketch.svg - Wikimedia Commons

Introduction SpringerLink

Francis Turbine: Working Principles, Diagram, Parts

Water turbine wikipedia notes

Kaplan, Francis and Pelton Hydroelectric Turbines

Francis Turbines - an overview

Francis turbine - Wikipedia