Mesta Machine Company, Iron Foundry where castings from medium size up to 125 tons are poured. Large concrete pits are built in the floor, in these the molds are made. Provision is made for bolting the cope to the top of the mold. The molds are dried in place with natural gas. Air furnaces are used for melting the cast iron - there are seven of these furnaces with a capacity of 200 ton in total, all can be used at the same time if necessary. The casting in this photo weighed 90 tons.