In Kiel he founded together with the Kiel entrepreneur Johann Schweffel the "Maschinenbauanstalt Schweffel & Howaldt", a company initially building boilers for industry and the new railroad companies in between Hamburg and Kiel and agricultural machinery for the surrounding estates in Holstein.
The text describes the founding of a company by Howaldt and Schweffel in Kiel, with their initial focus being on boilers for industry and railroads, and later expanding to agricultural machinery for estates in Holstein.