Perkin-Elmer Tridet with series 100 pump. Tridet made by Perkin Elmer Instruments, Norwalk, Connecticut, serial no.GC2182 Perkin-Elmer Tridet with series 100 pump. Tridet made by Perkin Elmer Instruments
Differential scanning calorimeter DSC-1B with solar transformer, Perkin-Elmer Instrument division, USA., 1971-1972 Differential scanning calorimeter DSC-1B with solar transformer circa 1971
Elemental analyser for nitrogen, model 240, by Perkin-Elmer, Norwalk, Connecticut, USA, serial no.GC25783 Elemental analyser for nitrogen 1970
Perkin Elmer 180 Infrared Spectrometer, serial no. 59146, made by Perkin Elmer Instrument Division, Norwalk, Connecticut, USA, with Perkin Elmer 180 Recorder Console, and instruction manual, c. 1970 Perkin Elmer 180 Infrared Spectrometer 1970