A grease-spot plate held between two wooden screens with a 45 mm dia aperture, mounted with two inclined plane mirrors approx. 90 mm square.

We are manufacturers and suppliers of the Bunsen Grease Spot Photometer, 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.