"Optics." . . "Lumière." . . . . . . . . . "Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896" . . "Light visible and invisible a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896"@en . . . . . . . . . . . . . . . . "Light visible and invisible a series of lectures" . "Light visible and invisible a series of lectures"@en . . . . . . . "Light Visible and Invisible. A series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896, with additional lectures ... Second edition, enlarged [of \"The Manufacture of Light\" ]" . "Light visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain at Christmas, 1896, with additional lectures"@en . . . . . . . . . . "Light : visible and invisible. A series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896"@en . . . . . "Light: Visible and Invisible"@en . "Light Visible and Invisible. A series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896, with additional lectures ... Second edition, enlarged [of \"The Manufacture of Light\"]"@en . . "Light visible and invisible a series of lectures delivered at the Royal institution of Great Britain, at Christmas, 1896, with additional lectures"@en . . . . "Light, visible and invisible" . "Light, visible and invisible : a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896" . . . . "Light Visible and Invisible: a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896"@en . . "Light visible and invisible; a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896"@en . "Light visible and invisible : a series of lectures" . "Light visible and invisible; a series of lectures delivered at the Royal institution of Great Britain, at Christmas, 1896, with additional lectures"@en . "Light visible and invisible : a series of lectures"@en . . . "Light, visible and invisible : a series of lectures delivered at the Royal institution of Great Britain, at Christmas, 1896, with additional lectures"@en . "Light visible and invisible a series of lectures delivered at the Royal Institution of Great Britain at Christmas, 1896, with additional lectures"@en . . . "Light visible and invisible, a series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896, by Silvanus P. Thompson" . . "Light visible and invisible : a series of lectures delivered at the Royal institution of Great Britain, at Christmas, 1896, with additional lectures" . . . . "Light, visible and invisible. A series of lectures delivered at the Royal Institution of Great Britain, at Christmas, 1896"@en . "Royal Institution of Great Britain." . . "Rayons X." . . "Infrared Rays." . . "Ultraviolet Rays." . . "Light." . . "Radium." . . . . "X-Rays." . . "X-rays." .