Two glass tubes 220 mm long x 8 mm bore, one closed at the top and the other open. The lower ends of the two tubes are joined by 1 metre of pressure tubing. Both tubes are mounted on sliding brackets lockable in any position on metal support bars. Finished wooden stand with a graduated scale 0–100 cm, with mm in the centre and figured each cm on either side. Supplied without mercury.

We are manufacturers and suppliers of the Boyle's Law Apparatus, 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.