Testing of Fire-Clay Brick with Special Reference to their Use in Coal-Fired Boiler Settings (open access)

Testing of Fire-Clay Brick with Special Reference to their Use in Coal-Fired Boiler Settings

Technical paper issued by the Bureau of Standards over studies conducted on fire-clay bricks. The results of the studies are discussed. This paper includes tables, and illustrations.
Date: February 13, 1925
Creator: Geller, R. F.
System: The UNT Digital Library
Radio-Frequency Resistance and Inductance of Coils Used in Broadcast Reception (open access)

Radio-Frequency Resistance and Inductance of Coils Used in Broadcast Reception

Technical paper issued by the Bureau of Standards over radio-frequency resistance in radio reception. As stated in the introduction, "the purpose of this paper is to present data on the radio-frequency resistance and inductance of coils within the range of frequencies used in radiotelephone broadcasting" (p. 651). This paper includes tables, and illustrations.
Date: October 22, 1925
Creator: Hund, August & De Groot, H. B.
System: The UNT Digital Library