Crystals for X-ray polychromator on Solar Maximum Mission satellite: (1) quartz (2) germanium Crystals for X-ray polychromator on Solar Maximum Mission satellite
Thermalert Infrared Thermometer System, model LC814LBC, serial no. 5960, range 40-200° C, made by Raytek Inc. Santa Cruz, California, USA. (Sensing head incorporating pyroelectric sensor and signal processing system only, without power supply, indicator or cable.) Infrared Thermometer System 1980-1989