Julia Elton 
- (2020): The ‘Rocket’ of The lighthouse world: the Fresnel Optic of Hartlepool Heugh Lighthouse and its gas light – a ‘missing link’ in burner development. Dans: The International Journal for the History of Engineering & Technology, v. 90, n. 2 (juillet 2020).
- (2009): A Light to Lighten our Darkness: Lighthouse Optics and the Later Development of Fresnel's Revolutionary Refracting Lens 1780–1900. Dans: The International Journal for the History of Engineering & Technology, v. 79, n. 2 (juillet 2009).
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