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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.
Object Type:
Report
System:
The UNT Digital Library
Heater and Muffler
Patent for improvements upon the heater and muffler from the previous patent, No. 1173403. Improvments include a systemof choking the expelled gases as they are directed towards the exhaust, and maximizing the heat value.
Date:
October 10, 1916
Creator:
Anderson, Joseph L.
Object Type:
Patent
System:
The Portal to Texas History