Pneumatic Trough, British?, 19th or Early 20th Century

Wooden table with tray section as the top surface, the whole body is on wheel castors. The legs are all connected to each other by 2 base bars (widthways orientation) and these are connected by a central bar. There is a cream, printed label with the object. 'Pneumatics' is written in chalk on the top surface. The whole object is grey/green in colour.