Photograph of a Fresnel lens used by Melloni and a bust of Melloni

Photograph showing a Fresnel lens used by Melloni and a bust of Melloni, exhibited in the Special Loan Collections of Scientific Apparatus at the South Kensington Museum, 1876. - nd.[-1876]. Albumen? on card, 24x18.5cm. Inscribed in ink verso: No. 4568 p1083 Loan Coll. Cat. Univ of Naples (Prof G. Giordano); in blue, 26; in pencil, E-1877 [SKM Entry register]; in ink: Fresnel lens used by Melloni in his researches on radiant heat from the Moon.