Supporting material lantern slide dated AD 1900s

Lantern slide showing the Sphinx of Gizeh. Pyramid of Chephren in the background, that of Cheops just visible.
Printed label “#7 The Sphinx, side face” + pencil-written ’40’

Object details

Reference: INV:12297
Material: glass paper photographic emulsion
Period: 20th century
Dated: AD 1900s
Object name: lantern slide
Dimensions: Height: 82.55mm (3 1/4 in.) , Width: 82.55mm (3 1/4 in.)