Equipment

Gas exposure cabinet Wentworth Instruments Ltd., U.K. representatives of Atlas Electric Devices Company of Chicago, U.S.A. can now make available a Gas Exposure Cabinet for use in material testing. Material degradation and failure is commonly caused by the polluting gases such as ozone, sulphur dioxide, oxides of nitrogen found in our atmosphere. The Atlas Gas Exposure Cabinet is a versatile instrument designed to meet specifications calling for concentrations of gas under controlled conditions of temperature and humidity. Models are available for testing with ozone only, with gas from a pressure cylinder only or with controls for both ozone and one cylinder gas. While much attention is being focused on sulphur dioxide and the nitrogen oxides, most gases available in pressure cylinders may be used in the cabinet. Complete information is available in bulletin 1315 from Wentworth Instruments Ltd., North Green, Datchet, Slough, SL3 9JH.