Contemporary Mahogany Barograph

This is a contemporary mahogany cased barograph by Gradko Ltd. of Winchester. The instrument has bevelled glass to the lift off lid, a chart drawer to the base and a recess to take the dropper ink bottle. On the brass baseplate there is a blank presentation plate. A nice clean and fully working instrument with original instruction leaflet dated 1983. A selection of charts will be included together with a fresh bottle of recording ink and a re-printed pamphlet describing operating instructions and interpretation of various chart recordings.