An interesting & rare, larger than average, mahogany cased barograph by A.N.C.S. Ltd, London with a chart drawer & bevelled glass. Circa 1910. The instrument has an accompanying white glass barometer face with a fully enclosed barometer movement behind. Inscribed on the dial is The ‘Dial’ barometer, Prov. patent 23281. The barograph also comes with an ivory backed mercury thermometer.