| Octave Noise Band Analyzer 1558-BP | 1959 ?? | Equipment |  | 2 |  | 6S |  |  | 
	
		
		
			| Oscillator 320 | 1930 ?? | Equipment | 1 - 12A | 1 |  | 1S |  |  | 
	
		
		
			| Oscillator 360-A | 1930 ?? | Equipment | 1 - 112A |  |  | 1S |  |  | 
	
		
		
			| Oscillator 508-A | 1931 | Equipment | 2 - UX245 | 6 |  | 3S |  |  | 
	
		
		
			| Oscillator 608-A | 1938 ?? | Equipment | 4 - 6F5G | 5 |  | 8S |  |  | 
	
		
		
			| Oscillator 1208-B | 1959–65 | Equipment | 1 - 2C43 | 5 |  |  |  |  | 
	
		
		
			| Output Meter Type 483-F | 1948 ? | Equipment |  | 3 |  |  |  |  | 
	
		
		
			| Output Meter 483 | 1930 | Equipment |  | 2 |  |  |  |  | 
	
		
		
			| Output Meter 583-A | 1945 ?? | Equipment |  | 6 |  | 5S |  |  | 
	
		
		
			| Output Power Meter 783A | 1942 | Equipment |  | 1 |  | 7S |  |  | 
	
		
		
			| Oxide Rectifier 492A | 1935 ?? | Aliment. |  | 4 |  |  |  |  | 
	
		
		
			| Phantom Antenna A 50 | 1919 ?? | Equipment |  |  |  |  |  |  | 
	
		
		
			| Power Amplifier Type 272 | 1923 | Ampl/Mixer | 2 | 1 |  |  |  |  | 
	
		
		
			| Power Amplifier and Plate Supply Type 400 | 1929 | Aliment. | 2 - UX213 | 1 |  | 4S |  |  | 
	
		
		
			| Power Amplifier and Plate Supply Type 420 | 1929 | Ampl/Mixer | 2 - UX213 |  |  |  |  |  | 
	
		
		
			| Power Supply Type 1269-A | 1962 ?? | Aliment. | 1 - 6X4 | 1 |  | 6S |  |  | 
	
		
		
			| Power Supply 1261-A | 1946 ? | Aliment. | 1 - 6H6 | 6 |  |  |  |  | 
	
		
		
			| Power Supply 1262-B | 1968 | Equipment |  | 5 |  | 1S | 1F |  | 
	
		
		
			| Precision Capacitor 722-D | 1955 ?? | Equipment |  | 2 |  | 2S |  | $ | 
	
		
		
			| Precision Capacitor 722MEQ | 1956 ? | Equipment |  | 3 |  |  |  |  | 
	
		
		
			| Precision Condenser 2225 | 1935 ?? | Equipment |  |  |  |  |  |  | 
	
		
		
			| Precision Decade Resistor 1433P | 1970 ?? | Equipment |  | 1 |  |  |  |  | 
	
		
		
			| Precision RCL Digibridge GR1689M | 1984 ?? | Equipment |  | 5 |  |  |  |  | 
	
		
		
			| Precision Sound Level Meter 1933 | 1971 ? | Equipment |  | 4 |  | 10S |  |  | 
	
		
		
			| Precision Sound Level Meter 1981 | 1971 ?? | Equipment |  |  |  |  |  |  | 
	
		
		
			| Precision Wavemeter 724-A | 1948 ?? | Equipment | 1 - 1G4G | 5 |  |  |  |  | 
	
		
		
			| Precision Wavemeter 724-B | 1950 ?? | Equipment |  | 9 |  |  |  |  | 
	
		
		
			| Pulse Generator 1217-B | 1962 | Equipment |  | 1 |  | 8S |  |  | 
	
		
		
			| Random Noise Generator 1390-A | 1960 ?? | Equipment |  | 4 |  | 1S |  |  | 
	
		
		
			| Random Noise Generator 1390-B | 1963 ? | Equipment | 3 - 6D4 | 4 |  | 24S |  |  | 
	
		
		
			| Rectifier Transformer 365 | 1926 | Radio part |  | 2 |  |  |  |  | 
	
		
		
			| Rectifier - Type Wavemeter 419-A | 1931 | Equipment | 1 - 230 | 1 |  | 9S |  |  | 
	
		
		
			| Rectron "B" Eliminator 390 | 1930 ?? | Aliment. | 2 - UX213 |  |  | 1S |  |  | 
	
		
		
			| Regulated Power Supply 1201-B | 1959–65 | Aliment. | 3 - 12AT7 | 1 |  | 7S |  |  | 
	
		
		
			| Resistor 500 | 1931 | Radio part |  | 2 |  | 2S |  |  | 
	
		
		
			| R-F Bridge 1606-A | 1957 ?? | Equipment |  | 6 |  | 8S |  |  | 
	
		
		
			| RF Vacuum-Tube Voltmeter 1802A | 1949 ?? | Equipment | 1 - 1R5 | 1 |  | 1S |  |  | 
	
		
		
			| Rheostat 301 | 1924 | Radio part |  | 1 |  |  |  |  | 
	
		
		
			| RLC Digibridge 1659 | 1980 ?? | Equipment |  | 4 |  | 8S |  |  | 
	
		
		
			| Scaler (Frequenz Teiler) 1157-B | 1969 | Equipment |  | 1 |  | 17S |  |  | 
	
		
		
			| Signal generator 605-A [All Versions] | 1936 | Equipment | 5 - 76 | 1 |  | 23S |  |  | 
	
		
		
			| Signal generator 605-B [All Versions] | 1938 ? | Equipment | 5 - 76 | 19 |  | 1S |  | $ | 
	
		
		
			| Sound Analyzer 760-A | 1946–48 | Equipment | 4 - 1L4 | 8 |  | 2S |  |  | 
	
		
		
			| Sound Level Meter 759-B | 1946 ?? | Equipment | 4 - 1N5GT | 5 |  | 3S |  |  | 
	
		
		
			| Sound-Level Meter 1551-A | 1950–56 ?? | Equipment |  | 1 |  |  |  | $ | 
	
		
		
			| Sound-Level Meter 1551-B | 1959 ? | Equipment | 6 - CK512AX | 2 |  | 8S |  | $ | 
	
		
		
			| Sound-Level Meter 1551-C | 1968 | Equipment | 6 - CK512AX | 15 |  | 11S |  |  | 
	
		
		
			| Sound-Level Meter 1565-A | 1960 ?? | Equipment |  | 4 |  | 11S |  |  | 
	
		
		
			| Sound-Survey Meter 1555-A | 1952 | Equipment |  | 7 |  |  |  |  | 
	
		
		
			| Standard Capacitor 1401-D | 1955 ?? | Equipment |  | 1 |  |  |  |  | 
	
		
		
			| Standard Capacitor 1409F | 1965 ? | Equipment |  | 1 |  | 1S |  |  | 
	
		
		
			| Standard Capacitor 1409K | 1960 ?? | Equipment |  | 1 |  | 1S |  |  | 
	
		
		
			| Standard Capacitor 1409-M | 1955 ?? | Equipment |  | 1 |  | 1S |  |  | 
	
		
		
			| Standard Capacitor 1409-T | 1965 ? | Equipment |  | 3 |  | 1S |  |  | 
	
		
		
			| Standard Inductor 1481-K | 1951 ? | Equipment |  | 3 |  |  |  |  | 
	
		
		
			| Standard Signal Generator Type 805-A | 1942 | Equipment | 10 - 1614 | 2 |  |  |  |  | 
	
		
		
			| Standard Signal Generator Type 805-G | 1947 ? | Equipment | 10 - 1614 | 1 |  |  |  |  | 
	
		
		
			| Standard Signal Generator Type 1021-A, 1021-AU, 1021-AV, 1021-AW | 1950 | Equipment |  | 12 |  | 9S |  |  | 
	
		
		
			| Standard Signal Generator 603-A | 1932 | Equipment | 2 - 30 | 11 |  | 5S |  |  | 
	
		
		
			| Standard Signal Generator 805-C | 1946–61 ?? | Equipment | 10 - 6L6 | 4 |  | 5S |  |  | 
	
		
		
			| Standard Signal Generator 1001-A | 1949 ? | Equipment | 5 - 6C4 | 9 |  | 26S |  | $ | 
	
		
		
			| Straightline Frequency Condenser 374 | 1925 | Radio part |  | 1 |  |  |  |  | 
	
		
		
			| Straightline Wavelength Condenser 334 | 1925 | Radio part |  | 1 |  |  |  |  | 
	
		
		
			| Strobotac 631-A | 1935–39 ? | Equipment | 3 - 631P1 | 1 |  |  |  |  | 
	
		
		
			| Strobotac 631-B | 1939–53 ? | Equipment | 3 - 631P1 |  |  |  |  |  | 
	
		
		
			| Strobotac 631-BL | 1951–61 ? | Equipment | 3 - 631P1 |  |  | 7S |  |  | 
	
		
		
			| Strobotac 631-BLS3 | 1956–61 ? | Equipment | 3 - 631P1 |  |  |  |  |  | 
	
		
		
			| Strobotac 631-BLS8 | 1956–61 ? | Equipment | 3 - 631P1 |  |  |  |  |  | 
	
		
		
			| Strobotac Electronic Stroboscope Type 1531-A | 1961 ? | Equipment | 2 - 5965 | 3 |  | 30S |  |  | 
	
		
		
			| Test Oscillator 360 | 1930 | Equipment | 1 - UX112A | 2 |  | 2S |  | $ | 
	
		
		
			| Test-Signal Generator 404 | 1930 ?? | Equipment |  | 2 |  |  |  |  | 
	
		
		
			| Test Signal Generator 604-B | 1932 ? | Equipment | 2 - 31 | 2 |  | 2S |  |  | 
	
		
		
			| Tube Tester 361-B | 1926 ? | Equipment |  |  |  | 1S |  |  | 
	
		
		
			| Two-Signal Audio Generator 1303-A | 1951–59 ? | Equipment | 14 - 6SL7GT | 1 |  | 4S | 2F |  | 
	
		
		
			| Two Step Amplifier 215 | 1920 | Ampl/Mixer | 2 | 7 |  | 1S |  | $ | 
	
		
		
			| UHF Oscillator 857-A | 1946–51 ?? | Equipment | 3 - 316A | 2 |  | 8S |  |  | 
	
		
		
			| Unit Oscillator Type 1208-C | 1965 ? | Equipment | 1 - 2C43 | 6 |  | 1S |  |  | 
	
		
		
			| Unit Oscillator 1211-C | 1962 | Equipment | 1 - 5763 | 5 |  | 9S |  |  | 
	
		
		
			| Unit Oscillator 1215-B | 1953 ? | Equipment | 1 - ECC81 | 2 |  | 12S |  |  | 
	
		
		
			| Unit Power Supply 1203-B | 1962 ? | Aliment. | 1 - 6X4 | 4 |  | 2S |  |  | 
	
		
		
			| Universal | 1926 | Kit | 4 | 1 |  |  |  |  | 
	
		
		
			| Universal Bridge 293-A | 1931 | Equipment |  | 1 |  | 3S |  |  | 
	
		
		
			| Vacuum Tube Bridge 561-A | 1932 ?? | Equipment |  | 8 |  |  |  |  | 
	
		
		
			| Vacuum Tube Bridge 561C | 1943 ?? | Equipment |  |  |  | 1S |  |  | 
	
		
		
			| Vacuum Tube Detector Type 211 | 1919 ? | mod-pre26 | 1 | 1 |  |  |  |  | 
	
		
		
			| Vacuum-Tube Fork and Power Supply 723-C & 723-P1 | 1941 ? | Equipment | 1 - 1A5G | 7 |  | 4S |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter (Thermionic) 726-A [6Q7G] | 1939 | Equipment | 3 - 955 | 5 |  | 8S |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter (Thermionic) 726-A [75] | 1936–38 | Equipment | 3 - 955 | 12 |  | 1S |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter 727A | 1949 ?? | Equipment | 3 - 957 |  |  | 1S |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter 728A | 1949 ?? | Equipment |  |  |  | 1S |  |  | 
	
		
		
			| Vacuum Tube Voltmeter 1800-A | 1945 ?? | Equipment | 9 - 6SU7GTY | 10 |  | 7S |  |  | 
	
		
		
			| Vacuum Tube Voltmeter 1800-B | 1956 ? | Equipment | 7 - 9005 | 4 |  | 2S |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter 1803-A | 1955 ?? | Equipment | 3 - 6AL5 | 10 |  |  |  |  | 
	
		
		
			| Vacuum-Tube Voltmeter 1803-B | 1957 ? | Equipment | 3 - 6AL5 | 3 |  | 10S |  |  | 
	
		
		
			| Variable Air Capacitor 1602-P3 | 1959–65 | Equipment |  | 2 |  |  |  |  | 
	
		
		
			| Variable Air Condenser | 1922 | Radio part |  | 1 |  |  |  | $ | 
	
		
		
			| Variable Air Condenser Type 101 | 1919 ? | Radio part |  | 1 |  |  |  |  | 
	
		
		
			| Variable Air Condenser Type 182 | 1919 ? | Radio part |  | 3 |  |  |  | $ | 
	
		
		
			| Variable Air Condenser 239-E | 1925 ?? | Radio part |  | 3 |  |  |  |  | 
	
		
		
			| Variable Air Condenser 246L | 1912 ?? | Radio part |  | 2 |  |  |  | $ |