GROUP III. SMELTING WORKS, MINING OF "NONRESERVED' Rating by the institution in Prague.. Rating by the institution in Vienna. 53 Zinc furnaces and zine rolling works. 52 Copper and brass works, including rolling and hammer works.. 53a Miscellaneous work undertaken by the establishments, such as storage work, transportation, etc., in larger iron works, etc.. Talcum digging...... XI IX 55 Stone quarries where the material is worked up into paving stone Rating by the institutions in Prague, Trieste, and Lemberg. X Slate quarries.... Slate quarries, including working up of products.. XI Quarries for broken stone, but not including the breaking. Stone breaking, by hand... Collecting and breaking of bowlders.. (b) Pits, other open digging, etc.: Miscellaneous pits (a)... Digging of galleries and shafts.. Peat cutting, by hand.. (c) Stone working (not including digging of raw material): Sculpture work-decorative, figure work, etc..... Cement manufacture (not including the making of barrels). Other limakik Annual report of the Commissioner of Labor United States. Bureau of Labor Mortar making. Magnesite kilns. Maiolica ware manufacture |