Mask type oxygen therapy outfit, complete, and oxygen therapy outfit, with manifold.

Mask type oxygen therapy outfit, complete, and oxygen therapy outfit, with manifold.

Date: August 14, 1944
Creator: United States. War Dept.
Description: A guide to the assembly, operation, maintenance, and repair of two types of oxygen therapy equipment.
Contributing Partner: UNT Libraries Government Documents Department
Theory of ballooning.

Theory of ballooning.

Date: April 25, 1940
Creator: United States. War Dept.
Description: A general guide to piloting a free balloon.
Contributing Partner: UNT Libraries Government Documents Department
The Hexagon, Volume 103, Number 2, Summer 2012

The Hexagon, Volume 103, Number 2, Summer 2012

Date: Summer 2012
Creator: Alpha Chi Sigma
Description: Quarterly publication of the Alpha Chi Sigma chemistry fraternity containing articles related to chemistry research and the activities of the organization, including local chapters and groups.
Contributing Partner: UNT Libraries
The Gas That Wouldn't Burn

The Gas That Wouldn't Burn

Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Description: Article describing how Alpha Chi Sigma members were involved with the events described on a pictured Kansas historical marker relating to the discovery of helium in a deposit of natural gas.
Contributing Partner: UNT College of Arts and Sciences
A Correction Factor for the First Born Approximation

A Correction Factor for the First Born Approximation

Date: January 1965
Creator: Russell, Jerry Brent
Description: This thesis looks at a Schroedinger equation and the Born approximation.
Contributing Partner: UNT Libraries
Helium Monument

Helium Monument

Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Description: Front cover of the summer 2012 issue of The Hexagon, which features the Helium Monument in Amarillo, Texas. The visible portion of this monument is a metal sculpture of a helium molecule hanging from the center of a structure of metal bars. The inside cover contains a table of contents, a staff list, an editorial, and a description of the Helium Monument.
Contributing Partner: UNT College of Arts and Sciences
Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay

Rediscovery of the Elements: The Noble Gases--Rayleigh and Ramsay

Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Description: Article describing the discovery of argon, helium, and other inert gases by Lord Rayleigh, Sir William Ramsay, and other collaborators. Ramsay also characterized the noble gases and classified them within the structure of the Periodic Table of Elements.
Contributing Partner: UNT College of Arts and Sciences
Rediscovery of the Elements: Helium

Rediscovery of the Elements: Helium

Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Description: Article describing the discovery of helium in the sun and on Earth via spectroscopy. Tourist information is included for areas significant to those involved.
Contributing Partner: UNT College of Arts and Sciences
Ring of Fire

Ring of Fire

Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Description: Front cover of the fall 2012 issue of The Hexagon, which features an image of the "ring of fire" that occurred during the annular eclipse on May 20, 2012. The photograph was taken in Brownfield, Texas a few minutes before sunset. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.
Contributing Partner: UNT College of Arts and Sciences
The Recombination Rate Coefficient of Molecular Helium Ions in a Pulsed Afterglow at 1.86 Torr

The Recombination Rate Coefficient of Molecular Helium Ions in a Pulsed Afterglow at 1.86 Torr

Date: August 1972
Creator: Hicks, Helen Segrave
Description: The recombination rate coefficient for molecular helium ions has been measured in a pulsed afterglow at 1.86 Torr as a function of electron temperature and electron density without making a priori assumptions about the functional dependence. The concentrations of the molecular ions and electrons were measured and the source terms for the molecular ions were included in the rate equation.
Contributing Partner: UNT Libraries