1874 ESTABLISHED AS AN ANALYTICAL LABORATORY by Samuel P. Sadtler, a professor of Chemistry at the University of Pennsylvania. 1947 PURCHASED FIRST INFRARED INSTRUMENT 1947 PUBLISHED FIRST IR SPECTRUM ON 7 X 18 INCHES McBee CARD 1955 ACCUMULATED A 10,000 COMPOUND DATABASE 1955 STARTED COMMERCIAL PRODUCTS COLLECTIONS 1956 IR PRISM COLLECTION 1961 UV COLLECTION 1965 COMMERCIAL GRATING COLLECTIONS 1966 IR GRATING COLLECTION 1966 PROTON NMR COLLECTION 1969 SADTLER FAMILY SELLS BUSINESS TO BLOCK ENGINEERING 1972 PUBLISHES FIRST HANDBOOK 1972 PUBLISHES FIRST FT-IR COLLECTION WITH PROTOTYPE OF FIRST DIGILAB INSTRUMENT 1973 RAMAN COLLECTION 1974 FLUORESCENCE 1976 CARBON-13 NMR 1977 FT-IR ERA BEGINS 1977 VAPOR PHASE COLLECTION 1978 BIO-RAD LABORATORIES PURCHASES THE COMPANY 1980 DIGITAL SEARCH LIBRARIES 1991 SEARCHMASTER SOFTWARE 1992 300 MHz PROTON NMR COLLECTION 1996 CD-ROM PRODUCTS