Copyrigh. a 200. Campbel. Scientific. Inc. Copie. unde. licenc. b. Campbel. Scientifi. Ltd. Guarantee Thi. equipmen. i. guarantee. agains. defect. i. material. an. workmanship. Thi. guarante. applie. fo. thirty-si. month. fro. dat. o. delivery. W. wil. repai. o. replac. product. whic. prov. t. b. defectiv. durin. th. guarante. perio. provide. the. ar. returne. t. u. prepaid. Th. guarante. wil. no. appl. to. • Equipmen. whic. ha. bee. modifie. o. altere. i. an. wa. withou. th. writte. permissio.