Meteorological thermometer similar BS 692, type Ordinary for wet dry method,

Meteorological thermometer similar BS 692, type Ordinary for wet dry method, Ord.3/C, solid stem, -40+35:0,5°C, white backed, red special liquid, round bulb diameter 8,5-11,5mm, total immersion, durable pigment,in glass tube protection 315-330xmax.14mm with ring device at the upper end of the solid stem thermometer, suitable for government verification