In 1908, they designed what was then the world's largest floating crane, built for Harland & Wolff in Belfast, which would be used for the building of the passenger liners RMS Olympic and RMS Titanic.
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1969: Demag introduces the first AC motor with a sliding rotor on its crane product in the USA.
Schwarzer Pfad 1, 3 and 5 (monumental zone) – three houses (railway attendants’ houses or DEMAG works dwellings?), possibly late 19th century, two-storey buildings with small-block walls with knee walls and flat saddle roofs, with wings from the time of building and outbuildings in the back.
His artwork Demag: Giesspfannen beim fullen der kokillen (Demag: foundry ladles during fill the mold) was exhibited at the House of German Art in Munich.