HP 01300-90901 1967 Model 1300A X-Y Display Operating & Service Manual.

HP 01304-90902 1977 Model 1304A X-Y Display Operating & Service Manual.

HP 07046-90007 1972 Model 7046A X-Y Recorder Operating & Service Manual.

HP 01740-90909 1976 Model 1740 Oscilloscope Operating & Service Manual.

PRINCETON APPLIED RESEARCH MODEL 1140 QUANTUM PHOTOMETER MANUAL

HP Model 7029A X-Y Recorder Operating & Service Manual.

HP 54300-90902 1984 Model 54300A Probe Multiplexer Operating & Service Manual.

HP 01331-90904 1973 Model 1331C X-Y Display Operating & Service Manual.