BYK, Measuring Instruments, models:

AT-4725	Operating Instructions Manual
CAP 1000+	Manual
LC 3	Operating Manual
LC 4	Operating Manual
LCM III	Manual
haze-gard plus	Operation
micro-TRI-color	Operating Instructions Manual
micro-TRI-gloss ?	Operating Instructions Manual
micro-gloss	Operation Manuals
multi-angle	Operating Instructions Manual
spectro2guide	Manual