The entire column of mercury is visible. The scale is graduated in both English and metric units. Zero-point adjustment is by a screw clip attached to the glass tube. Fully fitted on a finished wooden board.

We are manufacturers and suppliers of the Siphon Barometer, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.