Atmos clocks were and still are available in various models, sizes and shapes. It’s all a matter of taste what one prefers. Most Atmos clocks had a glass cabinet and some are housed under a glass dome, like the famous 1930 and 1934 models. But especially in the beginning there were also some completely closed clocks available, like for instance the M154 or cabinet. Very detailed and rich looking. Click to read the full article @ RevoOnline.