Varian XL-200 NMR spectrometer: 10 mm high sensitivity broad band probe 20-81 MHz, length 44 cm, model no. XL200 10 mm, serial no. 337. Brown ceramic in metal sheath. High Sensitivity Broad Band Probe 1979
Varian XL-200 NMR spectrometer: 10 mm broad band probe 20-81 MHz, in box labelled 949065-13 Rev B standard broad band Probe 20-81 MHz, white ceramic in a metal sheath, model/part no. 948406, serial no. 138. Broad Band Probe 1979