New fabric made from blast furnace slag, Holland.
Unissued / unused material.
Stone wool from slag - new fabric product from blast furnace slag , Holland (Netherlands).
Various shots Molten slag being poured from furnace. LS man shovelling cold slag and putting it into truck. CU slag in truck.
Various interior shots of factory where the slag are mixed with other minerals and then lifted into a special smelting furnace. Various shots of machinery turning a fibrous material ("stone wool") into stitched blankets etc. Various shots of stitched blankets being put into piles. Various shots stitched blanket being rolled.
LS molten slag being poured from furnace at dusk.
Date on dope sheet is 17/03/1958.