Among the 42 displayed objects we may see drilling machines, lathes, manufactured by the Schuchardt and Schütte companies in Wien. It served to maintain pump plants. The pumps functioned as lifting pumps. The ram, which was the most important tool at the fixing of broken embankments, is a valuable object of the display. Hammers and other machines used at flood can be seen. We may also see the equipments of land survey, measuring sticks etc.