Emil BANGGER, Zürich Barograph and recording barometer, with clock, in steel, partially painted green, and brass, with thermometer and spirit level. White enamelled ring dial, signed, index with Roman numerals for the hours and railroad for the minutes, painted black. Cylinder numbered 49. In a glass cage with a moulded walnut frame and quadripod base. Beginning of the 20th century. 23 x 46 x 27.5 cm. Some shocks, lack of paint, wear and oxidation points.