Treen 30 Second Sand Timer
A late 19th to early 20th century 30 second sand timer.
The timer is engraved with ’30 Secs’ and is stored in a turned mahogany tube with a turned screw on lid.
The timer and case are in good condition. (Circa 1900)
Length 13.5cm (5.3 inches)
Diameter 2cm (0.8 inches)