Articles

Recirculating Apparatus for Testing Hygrometers
Arnold Wexler

An Improved Apparatus for Determining Moisture in Rubber by Distillation with Toluene
Max Tryon

Porcelains Within the Beryllia Field of the System Beryllia-Alumina-Zirconia
Stewart M. Lang, Laurel H. Maxwell, and Milton D. Burdick

Some Electrical Relations in Galvanic Couples
H. D. Holler

Study of the System Barium Oxide-Aluminum Oxide-Water at 30° C
Elmer T. Carlson, Thomas J. Chaconas, and Lansing S. Wells

Permeability of Glass Wool and Other Highly Porous Media
Arthur S. Iberall

Density, Refractive Index, Boiling Point, and Vapor Pressure of Eight Monoolefin (1-Alkene), Six Pentadiene, and Two Cyclomonoolefin Hydrocarbons
Alphonse F. Forziati, David L. Camin, and Frederick D. Rossini

A Study of the Determination of the Heat of Hydration of Portland Cement
Edwin S. Newman

pH Standards of High Acidity and High Alkalinity and the Practical Scale of pH
Roger G. Bates, Gladys D. Pinching, and Edgar R. Smith

Electrode Function (pH Response), Hygroscopicity, and Chemical Durability of Soda-Lead Oxide-Silica Glasses
Donald Hubbard, Mason H. Black, and Gerald F. Rynders