9 Photometers; Electronic apparatus for testing the curing and drying of elastomeric materials; Electronic data processing apparatus; Environmental test chamber, namely, temperature simulation equipment; Furnaces for laboratory use; Gas chromatography apparatus for laboratory use; Glassware for scientific experiments in laboratories; Laboratory apparatus and instruments, namely, homogenizers; Laboratory apparatus, namely, centrifuges; Laboratory chemical reactors; Laboratory columns for use in chemical synthesis; Laboratory equipment and supplies, namely, incubators; Laboratory equipment, namely, electric bath heaters; Laboratory furniture; Laminar flow biological safety cabinet hoods for laboratory use; Liquid chromatography apparatus for laboratory use; Magnetic agitators for laboratory use; Petri dishes used in laboratory research; Reactors, coils, retorts and crackers for use in high temperature chemical reactions