Microscopes; Oscillators; Constant temperature incubators for laboratory use; Droppers for measuring, other than for medical or household purposes; Drying ovens for laboratory use; Furnaces for laboratory use; Laboratory apparatus and instruments, namely, homogenizers; Laboratory apparatus, namely, centrifuges; Laboratory chemical reactors; Laboratory equipment and supplies, namely, incubators; Laboratory equipment, namely, electric bath heaters; Magnet plates for laboratory use; Magnetic agi...