Inside Out Library · Explore

Scientific American, Vol. 86, No. 11 (March 1902) (1902)

leaf 7

An illustration from Scientific American, Vol. 86, No. 11 (March 1902), 1902, leaf 7
stals 150 pounds is added and heated for one and one- form on lead strips and are very handsome. The half hours, when it is also run off. The fire having proceeds of the blue vitriol and mother liquor nearly Stamping $8,000 Gold Bars with Fineness, Weight and been withdrawn a third charge of acid… … Stamping Value, Weight and Fineness on Silver Bars. Pressing Precipitated Silver into "Cheeses." THE NEW YORK ASSAY OFFICE—MELTING AND EEFINING.

Patents · Machine · Railroad · Naval · Nickel plate · Scientific American · American supplement · Tire wheel · Horse power · Park avenue · Wireless telegraphy · Basket machine · Trade marks · York central

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 86, No. 11 (March 1902)

More like this