Describes some of the atomic age memorabilia which are gathered in an exhibit at the National Museum of History and Technology. (CP)

Describes the operation of the nitrogen laser-pumped dye laser, and the continuous wave (CW) dye laser. (SL)

Discusses the state of the art in the field of utilizing perfluoropolyethers in the creation of "clean" vacuums, when the term "clean" vacuum defines one that does not contain contaminates which interfere with the process to be carried out in the vacuum. (SL)

Provides a detailed discussion of the qualities of glass membrane, solid state, liquid membrane, and other types of ion-sensing electrodes. (CP)

Provides contributed physics activities and laboratory techniques. (CP)

Describes a satisfactory junction that can be easily fabricated. Discusses the specifications and applications of the junction. States that this junction is especially useful for microcells. (CW)

Discusses what can occur in a laboratory if a cylinder valve is separated from a compressed gas cylinder. (MLH)

Gives brief descriptions of new physics laboratory equipment and available literature describing laboratory equipment. (MLH)

Describes commercially available permanent magnets that have been incorporated in a compact and inexpensive structure providing both field sweep and modulation suitable for electron spin resonance at microwave frequencies. (MLH)

Describes oscillograph-type laboratory recorders and accessory equipment such as paper drives, printing mechanisms, amplifiers, and integrators. (MLH)

This entire issue is devoted to a listing of available laboratory instruments and equipment. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear under each instrument entry, and a separate section lists manufacturers' addresses. (MLH)

Describes the foreign language program and the language laboratory at the University of Hawaii. (RK)

Circuit design to solve the problem of impedance mismatch between output and input jacks in language laboratory equipment. (RL)