[William Wheeler Hubbell, authorized to apply for patents.]

by United States. Congress. Senate. Committee on Patents

Annual book of ASTM standards

by American Society for Testing and Materials

Urea-formaldehyde based foam insulations

Building Construction

by B.C. Punmia

Insulation deskbook

by R. M. E. Diamant

Insulation

by United States. Dept. of Energy. Division of Buildings and Community Systems.

Insulation

by Schools Eco-Action Group.

Insulating materials and insulation

by Mary A. Vance

Window insulation how to sort through the options

Heating & insulation

by Joyce Lowrie

Heat & insulation

by Ingleby Kernaghan

Insulations and insulating building materials

by Ernst and Ernst Management Consultants. --

Insulated Wires and Cables

by Rand McNally

The insulators

by John Creasey

Sound Insulation

by Carl Hopkins

Insulation & ventilation

by Jerry Germer

Insulating your home.

Thermal insulation

by S. D. Probert

Insulation materials

by Robert G. Flower

Heat insulation

by Gordon B. Wilkes