Laboratory equipment and supplies for scientific purposes, namely, controlled temperature and/or circulating baths, ovens, coolers, refrigerators, freezers, growth and environmental chambers, glassware washers and dryers and environmental rooms; cryogenic storage systems, comprising controlled rate freezing systems, liquid nitrogen refrigerators and dry shipping units; freezing apparatus, namely, ultra low temperature freezers; general laboratory, chromatography and pharmacy refrigerators and freezers; orbital shakers; blood bank equipment, namely, blood bank refrigerators, plasma storage freezers, red cell storage freezers, mechanical blast freezers, cryoprecipitate baths, plasma thawing baths, and platelet incubators; biological safety cabinets and laminar airflow cabinets; inventory storage systems, namely, inventory control systems for mechanical, liquid nitrogen or vapor phase storage, namely, racks, presses, canisters, frames, vials, canes, sleeves, gloves, transfer hoses, roller bases and controls; and accessories for the foregoing laboratory equipment, namely, recorders, controllers and indicators for monitoring and regulating said laboratory equipment