The Feldspars of the New England and North Appalachian States (open access)

The Feldspars of the New England and North Appalachian States

From Introduction: "The investigations presented in this bulletin have been undertaken by the bureau with a view to a better understanding of the conditions which confront the producer of commercial feldspar and also with the object of determining wherein the various deposits of feldspar differ."
Date: 1916
Creator: Watts, A. S.
System: The UNT Digital Library
Manufacture of Gasoline and Benzene-Toluene from Petroleum and Other Hydrocarbons (open access)

Manufacture of Gasoline and Benzene-Toluene from Petroleum and Other Hydrocarbons

From Preface: "This bulletin deals with the cracking of petroleum and other hydrocarbons and the production thereby of gasoline, benzene, and toluene."
Date: 1916
Creator: Rittman, W. F.; Dutton, C. B. & Dean, E. W.
System: The UNT Digital Library