Leica 1996/97 Microscopes & Scientific Instruments Product Catalog.

Stanford Research Systems 1998-99 Scientific and Engineering Instruments Catalog

Stanford Research Systems 1998-1999 Scientific & Engineering Instruments Catalog

Stanford Research Systems Scientific Engineering Instruments Manual

Stanford Research Systems 1992-1993 Scientific & Engineering Instruments Catalog

Stanford Research Systems 1998-1999 Scientific & Engineering Instruments Catalog

1956 Eppley Lab Standard Cell Catalog # 100 Scientific Instruments Newport RI

Stanford Research Systems 1998-99 Scientific & Engineering Instruments Catalog.