9 Electric accumulators; Battery boxes; Gas testing instruments; Anodes; Anode batteries; Apertometers; Exposure meters for photographic devices; flashbulbs; Chemistry apparatus and instruments, namely, laboratory chemistry apparatus and instruments, namely, flasks, gas mixers, laboratory chemical reactors; Fiber optic cables; Frequency meters; Photography darkroom lamps; Optical lanterns; Thermionic lamps and tubes; Lasers, not for medical purposes; Connections for electric lines; Electric arc cutting apparatus; Electric arc welding apparatus; Blueprint apparatus; Heliographic apparatus in the nature of emergency warning lights; electric and electronic light dimmers, Photometers; luminous pointers; Punch card machines for offices; electric measuring devices, namely, electric length measuring gauges, laser measuring systems, gas sensors for measuring gas concentration, electronic sensors for measuring solar radiation, resistance measuring instruments; measuring instruments, namely, for determining changes in the resistance of a material when exposed to ultraviolet (UV) radiation and for determining the dose of radiation; surveying instruments, namely, plane tables; Micrometers; Micrometer screws for optical instruments; objectives being optical lenses; Spectroscopes; Electric converters