Brannan - Model BS 1704 -Thermometers

BS 1704 : 1985 is identical to ISO 1770 - 1981 (revised in 1983). The specification includes standard thermometers (designation A to H) and thermometers of higher accuracy (designation J to W). Thermometers with ranges below -35°C are red spirit filled. The designation reference for partial (75mm) immersion types is suffixed “/75”.