The Mexican mining journal . ods, etc. Concise useful rulesfollow on the use and care of platinumware, as well as extensive tables ofweights of platinum ware, sheet and foilconversion tables, sulphuric acid tables,tables of specific weights, boiling points,etc. The whole book comprises 80 pagesand is interestingly written and neatlyprinted and illustrated. Wood Drill Works, Paterson, N. J. Wearand tear upon drills has possibly beengreater than upon any other tool, andtherefore anything that increases itsdurability is most desirable. To increasethe life of the Wood drill the companydecided to c
The Mexican mining journal . ods, etc. Concise useful rulesfollow on the use and care of platinumware, as well as extensive tables ofweights of platinum ware, sheet and foilconversion tables, sulphuric acid tables,tables of specific weights, boiling points,etc. The whole book comprises 80 pagesand is interestingly written and neatlyprinted and illustrated. Wood Drill Works, Paterson, N. J. Wearand tear upon drills has possibly beengreater than upon any other tool, andtherefore anything that increases itsdurability is most desirable. To increasethe life of the Wood drill the companydecided to change the construction of thecylinder chest and air head of the drillfrom ordinary cast iron to vanadiumtungsten iron, which it is claimed addsvery materially to the life of the recent catalogue of the Company de-scribes in detail the construction andoperation of the drills manufactured bythis Company. 109 THE MEXICAN MINING JOURNAL. March. 1915. HAMMOND IRON WORKS Warren, Penna., U. S. of STEEL TANKS. FACTORY SPECIALLY DESIGNEDFOR MAKING STEEL TANKS. TANKS OF SPECIAL DESIGN FOR CYANIDE WORK,TANKS FOR STORAGE OF PETROLEUM, FOR STOR-AGE OF MOLASSES, FOR CITY WATER PLATE CONSTRUCTION. NEW YORK 2728 WHITEHALL HAMONDTANKWESTERN UNIONLIEBERS.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectminesandmineralresou
