ELECTRONIC INSTRUMENTS, NAMELY, ELECTRONIC GAUGES FOR NONDESTRUCTIVE TESTING; ELECTRONIC INSTRUMENTS, NAMELY, ELECTRONIC GAUGES FOR TESTING ASPHALT; APPARATUS, NAMELY, COMPACTORS FOR PRODUCING TEST SPECIMENS; OVENS FOR LABORATORY USE

ELECTRONIC INSTRUMENTS, NAMELY, ELECTRONIC GAUGES FOR NONDESTRUCTIVE TESTING; ELECTRONIC INSTRUMENTS, NAMELY, ELECTRONIC GAUGES FOR TESTING ASPHALT; APPARATUS, NAMELY, COMPACTORS FOR PRODUCING TEST SPECIMENS; OVENS FOR LABORATORY USE

Transistorized Portable Nucleonic Instruments and Accessories Therefor-Namely, Scalers, Pulse Height Analyzers, Moisture Detectors, Moisture Adapters, Surface Density Gauges, and D.C.-D.C. Converters