This is Willem CP Jansz II, the brother of Derk Jansz. You can see the Weerkundig Observatorium across the canal. Spoorbrug en Station (Track Bridge and Station) H.E.S.M. (Holland Electrical Railway Company). The Dutch Electric Railway Company (HESM) was founded in Amsterdam on May 6, 1898. They had plans in the area between Amsterdam, Haarlem, Leiden and Utrecht to build a network of electric railways. This resulted in the construction of a number of local rail lines, known as the Haarlemmermeer Railways, with steam traction were operated by the HSM from the start. The lines were never electrified. More about WCP.