Two-channel pen oscillograph, type 942C, serial no. 577, fitted with two pen units type M940B, serial nos. 593 and 715, but without pens, by Southern Instruments Ltd., Camberley, Surrey, England, 1950-1974 Two-channel pen oscillograph by Southern Instruments Ltd., 1950-1974 1950-1974
UK3 gas chromatograph used for teaching purposes made by Shandon Southern Instruments Ltd. Camberley, 1965-1970 UK3 gas chromatograph used for teaching purposes 1965-1970