6AU8A Valve Tube. GE, Made in USA.
National Instruments NI myDAQ. myProto Accessory Board, Electronics Bundle #2
National Instruments Ni myDAQ with myProto Accessory Board and Accessories
National Semiconductor Data acquisition databook 1500 pages 1995
2 x NSA1588A National - 8 Digit 7 Segment LED DisplayUnit, multiplexed RARE(NOS)
CMOS Logic Databook National Semiconductor 1988
National Semiconductor special purpose linear applications Handbook 1986
