CAT NO: DIDACTICNLE-Export-220295
Maximum and Minimum Thermometer- Engineering Lab Training Systems.
Spirit and mercury filled, movement of mercury in U bend, consequent
upon expansion or contraction of the spirit, forces steel springs
Indices along the bore. Readings are taken at lower end indices which
are reset by supplied magnet. Accuracy .t 0.5°C Mounted on metallic
machine divided scale in brass metal case. best Indian make.