Kaleidoscope, Brewster's patent, silver plated brass, painted/shellaced tube covering, by Philip Carpenter, Birmingham, England, c.1820
© Science Museum / Science & Society Picture Library
With extra lens for distant objects, and 13 various object plates (one is defective), in wooden (mahogany and/or walnut?) case, velvet lined, with lock and key (see note). Horizontally mirrored digitally in Photoshop.