A depth study of the meaning of air travel in the jet age.

Mode of access: Internet.

A survey of projection activities of selected planning agencies in the State of Illinois : a report to the Illinois Environmental Protection Agency, Division of Air Pollution Control /

"June 1975."

List of air sampling stations.

Caption title.

The prospect for controlled trading of air pollution rights in the metro-east area of Illinois /

Cover title: Prospects for controlled trading of air pullution rights in the metro east area of Illinois.

Toward the development of a county employment projection system for the State of Illinois : a report to the Illinois Environmental Protection Agency, Division of Air Pollution Control /

Cover title: Towards the development of a county employment projection system for the state of Illinois.

Solution and reproduction of India rubber, for the manufacture of air proof and water proof articles;

Mode of access: Internet.

Philosophical essays : on the following subjects : I. On the ascent of vapours, the formation of clouds, rain and dew, and on several other phoenomena of air and water, II. Observations and conjectures on the nature of the aurora borealis, and the tails of comets, III. On the principles of mechanicks /

Mode of access: Internet.

An investigation of air-infiltration characteristics and mechanisms for a townhouse /

Includes bibliographical references (p. 21).

A change of air,

Mode of access: Internet.

Adequacy of flight schedules at Newark airport. Survey of air travel plan cardholders who work in northern New Jersey,

Mode of access: Internet.

Bibliography of air raid precautions and civil defense.

Mode of access: Internet.

Administration of air-mail routes and contracts : Hearing before the Committee on Post Offices and Post Roads, United States Senate, seventy-third Congress, second session on S.J. Res. 134. Administration of air-mail routes and contracts.

Mode of access: Internet.

Lengthened shadows, recounting the development of industrial load transportation beginning at the inception of the electric industrial truck,

"Observing the fiftieth anniversary of the founding of the Elwell-Parker Electric Company, Cleveland, Ohio, 1893-1943."

The promise of air.

Mode of access: Internet.

A compilation of air pollutant emission factors for combustion processes, gasoline evaporation, and selected industrial processes

Bibliography: p. 47-51.