Traditional handwork glass fire and advanced computer aided plot 、everlasting amber silk screen printing made of all series of general solid-stem type glass thermometers and etched lab thermometer. ?Stem diameter:φ6mm～6.5mm ?Length ：110mm～480mm ?The extent of survey：-40°C～400°C/-40°F～750°F ?Scale div : 0.1°C、0.2°C、0.5°C、1°C、2°C、5°C ?Thermometer fluid：blue or red organic liquid (-40°C～200°C/-40°F～400°F); Mercury (upwards 200°C/400°F) ?The way of immersion: partial 76mm or total immersion ?Background: yellow or white back positive