S/4289 Antique Treen 19th Century Apothecary's Travelling Sand Glass

An unusual apothecary's travelling sand glass for thirty second timing, having a slender glass of pinched tube form, that has on it 30 seconds printed in black. The whole is housed in a solid mahogany round ended case, with a screw thread to separate the two halves and to access the glass timer. The whole has a pleasing colour and patination.

Sold 5 in. (12.5 cm.) Wide
¾ in. (2 cm.) Diameter English Circa 1880