We don't know much about Calendox other than they were based in London, and that they produced some interesting and imaginative calendars, probably from the 1930s onwards.

This is the Major in brown bakelite, chrome and brass. The front is like a mirror, so impossible to photograph properly!

A key  feature is the rotating celluloid disc, which highlights the date. The date arrays are printed on card and changed by opening the back.

Dimensions
Height 125mm
Diameter 115mm

Sold
£130