with saddle and metal cap, round capillary, unbacked, lower section approx. 10 to 13 mm dia., 200 mm long, immersion depth 200 mm, filled with Hg, auxiliary scale approx. -20 to +160°C, with zero point, discharge setting acc. to Amarell (5 to 5.5 or 6 to 6.5).
in special brass enclosure, luminous blue capillary, bucket 32 mm dia., 70 mm high.
without brass enclosure, approx. 250 mm long