Describes a method for the accurate determination of partial specific volume of a protein. Method is simple enough to include in the undergraduate physical chemistry laboratory but requires patience and careful handling which provide good training in laboratory techniques. (SLH)

Describes an experiment that enables the student to concentrate on the fundamentals of the non-ideal liquid-vapor equilibrium. Presents typical student data and suggests features which might be added to the experiment. (GS)

Outlines the theory of chemical potentiometry, describes the experimental procedure for free fluoride determination, and presents sample data of fluoride concentration for various brands of toothpaste. (GS)

Advocates increased use of language laboratory facilities. Suggestions for improving the acoustic and pedagogical quality of recorded materials are made. (PMP)

A SERIES OF BRIEF DISCUSSIONS ARE GIVEN OF LANGUAGE LABORATORIES WITH RESPECT TO--(1) HOW STUDENTS USE THE FACILITIES, (2) COMPONENTS, (3) GROUP USE AND INDIVIDUAL STUDY, (4) SCHEDULING IN A CURRICULUM, (5) LOCATION IN THE SCHOOL, (6) DESIGN OF THE FACILITIES, (7) RECENT DEVELOPMENTS, AND (8) FUTURE PROJECTION. (JT)

INDIANA'S DEPARTMENT OF PUBLIC INSTRUCTION HAS PREPARED A MANUAL OF GUIDELINES FOR SELECTING LANGUAGE LABORATORY EQUIPMENT TO BE USED IN INDIANA SCHOOLS. THE MANUAL CONTAINS CONTRACT SPECIFICATIONS COVERING GENERAL INFORMATION AND PROVISIONS, THE EQUIPMENT FOR THE PROGRAM PREPARATION ROOM AND THE LABORATORY CONSOLE ROOM, AND EQUIPMENT, FURNITURE,…