Weights suspended from a lever arm separate evacuated hemispheres allowing estimation of atmospheric pressure to within five percent of the barometric reading. An illustration and a reference to von Guericke's demonstration are provided. (GH)

This paper describes the psychology laboratory at Nebraska Wesleyan University and the efforts of the small department which participated in the design and development process. The lab consists of 26 rooms, mostly small cubicles, and covers approximately 3,800 square feet. Each area of the lab is described in terms of its design and function.…

Directions are given for the construction of a manometer to measure animal metabolism. Steps in an experiment to measure frog metabolism are specified. (DT)

This 780-item bibliography is an attempt to bring together an extensive listing of publications on the language laboratory which have appeared between 1950 and 1972. The bibliography is arranged in the following categories: (1) bibliographies; (2) general and miscellaneous; (3) methodology and utilization; (4) hardware-equipment; (5)…

This learner's guide on nutrients is derived from a water monitoring curriculum developed at Ulster County Community College. There are 30 modules in this guide; each introduced with a statement of purpose and then broken down into an objective, learning conditions, and performance level. The modules cover: (1) safety; (2) chemical compounds; (3)…

A PREVIOUSLY REPORTED SERIES OF SOUND QUALITY EXPERIMENTS WAS CONTINUED AND INCLUDED AN ANALYSIS OF ALL DATA OBTAINED. THE TESTS WERE CONDUCTED TO DETERMINE THE EFFECT OF THE SOUND QUALITY OF LANGUAGE LABORATORY EQUIPMENT ON THE LEARNING OF FOREIGN LANGUAGES. ATTENTION WAS FOCUSED ON THE FREQUENCY RESPONSE CHARACTERISTICS OF THE SOUND RECORDING…

REPORTS ON VARIOUS ASPECTS OF LANGUAGE LABORATORIES ARE PRESENTED AS A CONFERENCE'S PANEL DISCUSSION. EDWARD MARXHEIMER'S "TRAINING OF LANGUAGE LABORATORY PERSONNEL" DISCUSSES THE NEED FOR TRAINED INDIVIDUALS WHO CAN UTILIZE THE GREAT POTENTIAL OF THE LABORATORY. IGOR M. GLADSTONE AND GENEVIEVE C. BIRD DISCUSS RESPECTIVELY THE USE OF THE LANGUAGE…

LABORATORY TECHNIQUES AND EQUIPMENT APPROPRIATE FOR TEACHING BIOLOGICAL SCIENCE CURRICULUM STUDY BIOLOGY ARE EMPHASIZED. MAJOR CATEGORIES INCLUDE (1) LABORATORY FACILITIES, (2) EQUIPMENT AND TECHNIQUES FOR CULTURE OF MICRO-ORGANISMS, (3) LABORATORY ANIMALS AND THEIR HOUSING, (4) TECHNIQUES FOR STUDYING PLANT GROWTH, (5) TECHNIQUES FOR STUDYING…

A PREPARATION LABORATORY WAS DESIGNED TO FAMILIARIZE STUDENTS IN ADVANCED MAMMALIAN PHYSIOLOGY WITH LABORATORY SKILLS AND TECHNIQUES AND THUS SHORTEN THE TIME THEY SPEND IN SETTING UP ACTUAL EXPERIMENTS. THE LABORATORY LASTS 30 MINUTES, IS FLEXIBLE AND SIMPLE OF OPERATION, AND DOES NOT REQUIRE A PROFESSOR'S PRESENCE. THE BASIC TRAINING UNIT IS THE…