Describes the construction of an apparatus to produce a stream of water drops of variable size and number of drops per second. (SLH)

Describes an experiment in which the free-electron cyclotron resonance of electrons trapped in a microwave cavity by a Penning trap is observed. The experiment constitutes an attractive alternative to one of the Gardner-Purcell variety. (Author/GS)

Analytical methods for determining important components of fission and natural radioactivity found in water are reported. The discussion of each method includes conditions for application of the method, a summary of the method, interferences, required apparatus, procedures, calculations and estimation of precision. Isotopes considered are…

This manual was developed for students participating in the oceanology program offered on the Orange County's Marine Science Floating Laboratory. The program is experience-centered and provides for the students utilizing much of the same equipment used by professional oceanologists. The manual is divided into two sections: (1) "The Immediate…

Detailed discussions are presented dealing with the selection and design of fume hoods for science laboratories. Areas covered include--(1) air flow design, (2) materials properties, (3) location in the laboratory, (4) testing and adjustment, (5) exhaust systems, and (6) hazards of fume discharges. (JT)