Rodent monitoring apparatus

Roll arming sensor

Roll electrode and device for pretreating the surfaces of film w

Roll microfilm retrieving method and device therefor

Roller electrode for use in apparatus for treating plastic film

Roller switch

Room air monitor for radioactive aerosols

Room temperature IR camera

Room temperature solid state gamma or X-ray detectors

Room temperature two color infrared detector

Room temperature, low-light-level visible imager

Room-temperature, thin-film, PbS photoconductive detector harden

Rosette scanning surveillance sensor

Rotary angle sensor for a rotary member

Rotary annular signal data coupler

Rotary anode X-ray tube

Rotary apparatus for moving workpieces through treatment beam wi

Rotary beam light curtain

Rotary code disk mounting structure for an optical encoder with

Rotary confocal scanner for detection of capillary arrays