Royal ø180-series (6’’ dial)
The Midi- and the Royal-ranges have been made according to the old craftsman principles.
Punched out 0,8mm brass discs are formed by the metal spinner at the turning lathe.
All cases are polished and lacquered twice or
chromium plated brass.
White ø137mm dial and ø180x100mm case.
Scales with mm Hg/hPa - EXTENDED RANGE
950 to 1.075 hPa.
Accuracy:
±2hPa (millibar) in the range 980 to 1.050 hPa,
±5hPa (millibar) in the range 950 to 980 hPa (approx.),
±5hPa (millibar) in the range 1.050 to 1.075 hPa (approx.).