| Spectrum Analyzer 8591A  | 
			1991  | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Spectrum Analyzer System 141T / 8552B / 8554B  | 
			1969 ? | 
			Equipment | 
			1 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Spectrum Analyzer System 8551A/851A  | 
			1964–66  | 
			Equipment | 
			1 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Square Wave Generator 210A  | 
			1943 ? | 
			Equipment | 
			9 - 6SF5 | 
			2 | 
			  | 
			1S | 
			1F | 
			  | 
		
	
		
		
			| Square Wave Generator 211A  | 
			1955  | 
			Equipment | 
			14 - 6BQ7A | 
			10 | 
			  | 
			17S | 
			  | 
			  | 
		
	
		
		
			| Standard Frequency Receiver 5090A  | 
			1964 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Standing Wave Indicator 415A  | 
			1949 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Standing Wave Indicator 415B  | 
			1955 ?? | 
			Equipment | 
			6 - 12AX7 | 
			4 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Standing Wave Ratio Meter 415D  | 
			1963 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| Storage-Normalizer 8750A  | 
			1980 ?? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Storage Oscilloscope 1223A  | 
			1977–79  | 
			Equipment | 
			1 | 
			5 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Storage Oscilloscope 1703-A  | 
			1972  | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Storage Oscilloscope 54600A  | 
			1990 ?? | 
			Equipment | 
			1 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Supersonic Signal Generator 205AH  | 
			1942 ? | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 691-D  | 
			1966  | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 692-D  | 
			1966  | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 693-D  | 
			1966  | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 694-D  | 
			1966  | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 8350B  | 
			1983 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Sweep Oscillator 8690 A  | 
			1966 ?? | 
			Equipment | 
			16 - 5915 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Synthesized Signal Generator 8642A  | 
			1988 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Synthesized Signal Generator 8644A  | 
			1988 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Synthesized Signal Generator 8657B  | 
			1991 ?? | 
			Equipment | 
			 | 
			4 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Synthesized Signal Generator 8660A  | 
			1978 ?? | 
			Equipment | 
			 | 
			4 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Synthesized Signal Generators 8660C  | 
			1981 ?? | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Synthesizer Driver 5110B  | 
			1965 ?? | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Synthesizer / Function Generator HP3325A  | 
			1978  | 
			Equipment | 
			 | 
			11 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Synthesizer/Level Generator 3336A/B/C  | 
			1981 ? | 
			Equipment | 
			1 | 
			2 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Test Fixture 16047A  | 
			1985 ?? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Test Oscillator 651A  | 
			1965  | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Test Oscillator 651B  | 
			1967 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Test Oscillator 652A  | 
			1967–79 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Test Oscillator 654A  | 
			1973 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Thermistor Mount 477B  | 
			1955 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Thermistor Mount "Probe" 478A  | 
			1968 ?? | 
			Equipment | 
			 | 
			4 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Time Base and Delay Generator Plug-In 1825A  | 
			1971  | 
			Equipment | 
			76 | 
			3 | 
			  | 
			21S | 
			  | 
			$ | 
		
	
		
		
			| Time Base Plug-In 1820B  | 
			1967  | 
			Equipment | 
			 | 
			6 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Timer / Counter 5304A  | 
			1971 ?? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Timer/Counter/DVM 5326B  | 
			1970  | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Tracking Generator 8443A  | 
			1971  | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Tracking Generator 8444A  | 
			1971  | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Transfer Oscillator 5257A  | 
			1971 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Transistor Test Jig 13510A  | 
			1968 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Transmission/Reflection Test Set 8502A  | 
			1976  | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Transmission Test Set 3552A  | 
			1976 ?? | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| True RMS-Voltmeter 3400A  | 
			1964–80  | 
			Equipment | 
			1 - 7586 | 
			9 | 
			  | 
			25S | 
			2F | 
			$ | 
		
	
		
		
			| True RMS Voltmeter 3403c  | 
			1973  | 
			Equipment | 
			 | 
			13 | 
			  | 
			1S | 
			1F | 
			$ | 
		
	
		
		
			| Tunable Bolometer Mounts 475  | 
			1952  | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| UHF Signal Generator 610B  | 
			1952 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| UHF Signal Generator 612A  | 
			1954 ?? | 
			Equipment | 
			15 - 12AU7 | 
			9 | 
			  | 
			4S | 
			  | 
			$ | 
		
	
		
		
			| UHF Signal Generator 614A  | 
			1949 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| UHF Signal Generator 616A  | 
			1952 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Universal Bridge 4260A  | 
			1966 ? | 
			Equipment | 
			 | 
			8 | 
			  | 
			21S | 
			  | 
			$ | 
		
	
		
		
			| Universal Bridge 4265A  | 
			1973 ?? | 
			Equipment | 
			 | 
			7 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Universal Counter 5315A  | 
			1979  | 
			Equipment | 
			 | 
			6 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Universal Counter 5315B  | 
			1979  | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Universal Counter 5325B  | 
			1969  | 
			Equipment | 
			7 | 
			3 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Universal Counter 5334B  | 
			1984–92 ? | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Universal Power Supply 6236B  | 
			1977 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			5S | 
			  | 
			  | 
		
	
		
		
			| Universal Power Supply 6237B  | 
			1977 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Universal Time Interval Counter 5370B  | 
			1981 ?? | 
			Equipment | 
			 | 
			7 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Vacuum Tube Voltmeter 400AB  | 
			1955  | 
			Equipment | 
			 | 
			1 | 
			  | 
			7S | 
			  | 
			  | 
		
	
		
		
			| Vacuum Tube Voltmeter 400C  | 
			1949 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			5S | 
			  | 
			  | 
		
	
		
		
			| Vacuum Tube Voltmeter 400D 6625-643-1670  | 
			1954  | 
			Equipment | 
			8 - 6CB6 | 
			19 | 
			  | 
			36S | 
			  | 
			$ | 
		
	
		
		
			| Vacuum Tube Voltmeter 400H  (6625-557-8261)  | 
			1957 ?? | 
			Equipment | 
			8 - 6CB6 | 
			8 | 
			  | 
			7S | 
			1F | 
			$ | 
		
	
		
		
			| Vacuum Tube Voltmeter 400 HR  | 
			1957 ? | 
			Equipment | 
			8 - 6CB6 | 
			8 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Vacuum Tube Voltmeter 400L 6625-729-8360  | 
			1966  | 
			Equipment | 
			8 - 6CB6 | 
			1 | 
			  | 
			4S | 
			1F | 
			$ | 
		
	
		
		
			| Vacuum Tube Voltmeter (VTVM) 410BR  | 
			1955–75 ? | 
			Equipment | 
			4 - 6X4 | 
			4 | 
			  | 
			1S | 
			1F | 
			  | 
		
	
		
		
			| Vacuum Tube Voltmeter 410C  | 
			1963  | 
			Equipment | 
			1 | 
			30 | 
			  | 
			10S | 
			  | 
			$ | 
		
	
		
		
			| Vector Impedance Meter 4800A  | 
			1965 ?? | 
			Equipment | 
			 | 
			2 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Vector Voltmeter HP8405A  | 
			1966  | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| VHF Attenuator 355C  | 
			1965 ?? | 
			Equipment | 
			 | 
			 | 
			 | 
			  | 
			  | 
			$ | 
		
	
		
		
			| VHF Attenuator 355D  | 
			1958 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| VHF Bridge 803A  | 
			1951 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| VHF Detector 417A  | 
			1950 ?? | 
			Equipment | 
			4 - 5876 | 
			4 | 
			  | 
			2S | 
			1F | 
			  | 
		
	
		
		
			| VHF Oscillator 3200B  | 
			1968  | 
			Equipment | 
			2 - 6DZ4 | 
			11 | 
			  | 
			17S | 
			  | 
			$ | 
		
	
		
		
			| VHF Signal Generator HP 608B  | 
			1952 ? | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| VHF Signal Generator 608A  | 
			1951 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			4S | 
			  | 
			$ | 
		
	
		
		
			| VHF Signal Generator 608C  | 
			1954  | 
			Equipment | 
			15 - 5675 | 
			10 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| VHF Signal Generator 608D  | 
			1957–65 ? | 
			Equipment | 
			20 - 6BQ7 | 
			10 | 
			  | 
			8S | 
			  | 
			$ | 
		
	
		
		
			| VHF Signal Generator 608D  | 
			1954 ?? | 
			Equipment | 
			18 - 6AH6 | 
			9 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| VHF Signal-Generator 608E  | 
			1967–80  | 
			Equipment | 
			16 - 6AL5 | 
			2 | 
			  | 
			15S | 
			  | 
			$ | 
		
	
		
		
			| VHF Signal Generator 608F  | 
			1966 ? | 
			Equipment | 
			15 - 4042 | 
			3 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| VLF Comparitor 117A  | 
			1965–75 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Voltmeter 400A  | 
			1942–48  | 
			Equipment | 
			7 - 6J5 | 
			8 | 
			  | 
			3S | 
			1F | 
			  | 
		
	
		
		
			| Voltmeter 400B  | 
			1948  | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Voltmeter 427A  | 
			1966  | 
			Equipment | 
			14 | 
			12 | 
			  | 
			4S | 
			  | 
			$ | 
		
	
		
		
			| VTVM Vacuum Tube Voltmeter 410B  | 
			1955–75  | 
			Equipment | 
			4 - 2-01C | 
			29 | 
			  | 
			13S | 
			  | 
			$ | 
		
	
		
		
			| Wave Analyzer 3590A  | 
			1968  | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Waveguide Frequency Meter P532A  | 
			1956  | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Wide Range Oscillator 200CD [early (5 tubes)] | 
			1952  | 
			Equipment | 
			5 - 6SH7 | 
			22 | 
			  | 
			1S | 
			1F | 
			$ | 
		
	
		
		
			| Wide Range Oscillator 200CD [late (4 tubes)] | 
			1965 ?? | 
			Equipment | 
			4 - 6AU6 | 
			9 | 
			  | 
			16S | 
			1F | 
			  | 
		
	
		
		
			| 1 GHZ Plug-In (Sampling) 1810A  | 
			1971  | 
			Equipment | 
			101 | 
			3 | 
			  | 
			24S | 
			  | 
			$ | 
		
	
		
		
			| 4 Channel Amplifier 1754A  | 
			1964  | 
			Equipment | 
			6 - 6CW4 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| 6 Bit Data Probe 10231B  | 
			1975 ?? | 
			Equipment | 
			 | 
			7 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| 50-75 Ohm Adapter 11687A  | 
			1975 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| 500 MHz Probe 1120A  | 
			1980 ?? | 
			Equipment | 
			10 | 
			4 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| 721A  [US version] | 
			1959  | 
			Equipment | 
			7 | 
			5 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| 8640A Signal Generator  | 
			1974 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  |