iron collars were prevented from slipping by bolts inserted through them. At set distances there were also hooks on the sides that were used to hang the piston rods (Kolbenstangen). So that the horizontal movement of the flat rods could be turned into a vertical movement, a rotating cross-shaped lever (Kunstkreuz) was fitted to the lifting rods. Connexion to the cross lever was achieved using a crank (Kunstschloss). To balance the load it was usual to have two lifting rods.

Flatrods

The purpose of the flatrods was to transfer

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