Full resolution (JPEG) - On this page / på denna sida - Second part - X. Manufacturing Industries. By Å. G. Ekstrand, Ph. D., Chief Engineer, Control Office of the Department of Finance - 8. Manufactures of Stone, Clay, Charcoal, and Peat - The Stone Industry - Cement and Mortar
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manufactured goods of stone, clay, charcoal, and peat.
837
decoration of buildings. The exports of stone go principally to Germany,
where, however, the question of levying a duty upon the imports of
stone to protect the home production has been frequently mooted; stone
is also exported, in smaller quantities, to Denmark, Russia, and
England. Owing to the expense of carriage, only such stone can be
exported as is quarried in the vicinity of some port. The total exports
of undressed stone in 1900 were valued at 2,535,000 kronor; of dressed
stone at 7,851,000 kronor, grindstones and mill-stones accounting for
46,000 kronor of that amount; of polished stone goods, at 48,000 kronor,
and of other kinds at 7,757,000 kronor.
Rörstrand Pottery-Works.
Cement and Mortar.
The manufacture of what is now called Portland oement is not of
very old date in Sweden, though hydraulic mortar of one kind or
another has also had to be used in earlier canal structures. The
making of Portland cement on a large scale was commenced at Lomma
in Skåne in 1871; clay and limestone of suitable quality are to be
found there in unlimited quantity. Great care is bestowed upon the
manufacture of the cement, which is distinguished for its fineness of
quality, whefeby it admits of a larger admixture of sand than other
kinds. E. F. Berg, the manager of the Lomma works, has done a
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