London Stereoscopic Company 1862 No. 131. - The Sultan's Jewelled Mirror, Stereoscope, &c. Value £20,000. (Harry Emanuel). [The International Exhibition of 1862]
Stereoview Internet - Original source ill-defined (Alan Griffiths, 19 February 2022, pers. email) I'm indebted to Barry Wick for bringing this to my attention.
