Changed "Stuices" to "Sluices" on page 626, in the index entry for "Pockets in Alluvial Sluices."
Changed the references for Schneeberg, St. George mine and for St. George Mine on page 627 from "92" to "91."
Changed "Steinmack" to "Steinmarck" in its index entry on page 628.
In the Index to Persons and Authorities (starting page 630), there are a number of references to page 599 that appear to make more sense as references to 603, but which were not changed.
Changed the reference for Venice, Scale of Weights on page 630 from "264" to "263."
Changed the reference for De Mensuris et Ponderibus, Weights and Measures on page 632 from "264" to "263."
Changed the reference for De Natura eorum quae Effluunt ex Terra, Dedication on page 632 from "VIII" to "VII."
Changed the reference for De Precio Metallorum et Monetis on page 632 from "264" to "263."
Changed "Diphilus" to "Diphilos" in its index entry on page 632.
Changed the references for Forehearth and for Furnaces, Blast on page 637 from "390" to "389."