There were a lot of different Atlantic-machines on the market around 1928-1930. This was mainly the case because the Bajazzo (Clown) was banned by legal authorities.
A lot of manufacturers developed modifications for existing Bajazzo-machines. This was a lucrative business, because there were tens of thousands of Bajazzos just in Berlin.
Here are two ads from the year 1929 for Atlantic-machines. They were sold as stand-alone machine or modification for existing Bajazzo/Clown machines:
The "Atlantic Flieger" by Friedrich Giese was a stand-alone machine only and not provided as a modification:
The Atlantic (most versions) were patented by Giese under DRP472272: