- en.wikipedia.org Henri GiffardThe Giffard dirigible, created by Giffard in 1852. A- Steam from boiler, B- Needle valve, C- Needle valve handle, D- Steam and water combine, E-Water feed, F- Combining cone...
- medium.com eiffels-paris-an-engineers-guide/…Henri Giffard’s dream of piloting an air ship hovered tantalizingly near, but ultimately it slipped beyond of his reach. Giffard was an accomplished inventor.
- celebsages.com henri-giffard/Henri Giffard was born in France. He made his fortune with the invention of the steam injector, that prevented steam engine boilers from running out of water.
- econterms.net aero/Henry_GiffardHenri Giffard (Henri-Jacques Giffard)(1825–1882) was an aero inventor in Paris (29, rue du Colisée, Seine) credited as a pioneer in the field of dirigibles.
- wonders-of-the-world.net Biographies Henri GiffardHenri Giffard is one of the 72 scientists whose name is inscribed on the first floor of the Eiffel Tower. He is the 13th on the west facing side.
- http://livingwarbirds.com henri-giffard.phpDeath and commemoration. Aviation History - Henri Giffard - A model of the Giffard Airship at the London Science Museum.
- bilgi360.com.tr blog/henri-giffard-neyi-icat-ettiHenry, elektromıknatısı kullanışlı bir aygıta dönüştürdü. Warren de la Rue neyi icat etti? ... Henri Giffard uçma çalışması yaptı mı?
- historyoasis.com post/henri-giffard Despite facing challenging weather conditions during his historic flight, Henri Giffard remained undeterred in his mission to prove the viability of his invention.