| Battery Eliminator BE-4  | 
			1953–60  | 
			Equipment | 
			 | 
			8 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Battery Eliminator BE-5  | 
			1957–60 ? | 
			Equipment | 
			 | 
			7 | 
			  | 
			1S | 
			1F | 
			  | 
		
	
		
		
			| Battery-Eliminator IP-12  | 
			1970 ? | 
			Equipment | 
			 | 
			5 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Battery Tester BT-1  | 
			1952 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			4S | 
			  | 
			  | 
		
	
		
		
			| Bildmuster-Generator CD-1-E  | 
			1963 ? | 
			Equipment | 
			12 - 12AT7 | 
			1 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Breitband-Oszillograf IO-30/S  | 
			1964 ? | 
			Equipment | 
			11 - 6AB4 | 
			7 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Breitband-Oszillograph O-12S  | 
			1960–71  | 
			Equipment | 
			11 - EC92 | 
			7 | 
			  | 
			4S | 
			  | 
			$ | 
		
	
		
		
			| Capaci-Tester CT-1  | 
			1960–69 ? | 
			Equipment | 
			1 - 1629 | 
			7 | 
			  | 
			25S | 
			  | 
			$ | 
		
	
		
		
			| Capaci Tester IT-22  | 
			1963 ? | 
			Equipment | 
			1 - 1629 | 
			7 | 
			  | 
			1S | 
			3F | 
			$ | 
		
	
		
		
			| Capacitor Checker IT-11 (ITW-11)  | 
			1963 ? | 
			Equipment | 
			3 - 6BN8 | 
			32 | 
			  | 
			10S | 
			  | 
			$ | 
		
	
		
		
			| Capacitor Checker IT-11/E  | 
			1962 ? | 
			Equipment | 
			3 - 6BN8 | 
			3 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Capacitor Decade IN-3127  | 
			1981 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Capacitor Substitution Box EUW-29  | 
			1965 ?? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Capacitor Substitution Box IN-3147  | 
			1977 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Capacitor-Tester IT-28  | 
			1969 ?? | 
			Equipment | 
			3 - 6AX4 | 
			10 | 
			  | 
			1S | 
			1F | 
			$ | 
		
	
		
		
			| Capacity Meter CM1  | 
			1956–63  | 
			Equipment | 
			2 - 6BX7 | 
			4 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| Cathode Ray Tube Checker CC-1  | 
			1956  | 
			Equipment | 
			 | 
			2 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Color Generator IG-5240  | 
			1976 ? | 
			Equipment | 
			5 | 
			2 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Component Tracer IT-2232  | 
			1989 ? | 
			Equipment | 
			1 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Condenser Checker C-1  | 
			1948 ? | 
			Equipment | 
			2 - 1629 | 
			5 | 
			  | 
			2S | 
			1F | 
			  | 
		
	
		
		
			| Condenser Checker C-2  | 
			1950–52 ? | 
			Equipment | 
			2 - 12A6 | 
			4 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Condenser Checker C-3  | 
			1961 ? | 
			Equipment | 
			2 - 1629 | 
			29 | 
			  | 
			23S | 
			  | 
			$ | 
		
	
		
		
			| Condenser Substitution Box CS-1  | 
			1953–62 ? | 
			Equipment | 
			 | 
			5 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Condenser Substitution Box IN-22  | 
			1962–67 ? | 
			Equipment | 
			 | 
			6 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| CRT Tester and Rejuvenator IT-5230  | 
			1976  | 
			Equipment | 
			 | 
			10 | 
			  | 
			1S | 
			1F | 
			  | 
		
	
		
		
			| Curve Tracer IT-1121  | 
			1974–77  | 
			Equipment | 
			 | 
			8 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Curve Tracer IT-3121  | 
			1978–83  | 
			Equipment | 
			 | 
			3 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| DC Coupled Oscilloscope EUW-25  | 
			1963 ? | 
			Equipment | 
			11 - 6BS8 | 
			4 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| DC Oscilloscope OR-1  | 
			1959 ? | 
			Equipment | 
			12 - 6C4 | 
			3 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Decade Capacitor IN-27  | 
			1967 ? | 
			Equipment | 
			 | 
			7 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Decade Condenser DC-1  | 
			1961 ? | 
			Equipment | 
			 | 
			11 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Decade Condenser IN-21  | 
			1962/63  | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Decade Resistance IN-3117  | 
			1991 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Decade Resistance Box DR-1  | 
			1954 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Decade Resistance Box IN-17  | 
			1967 ? | 
			Equipment | 
			 | 
			8 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Demodulator Probe 337-B  | 
			1954 ? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Demodulator Probe 337-C  | 
			1957  | 
			Equipment | 
			 | 
			2 | 
			  | 
			7S | 
			  | 
			  | 
		
	
		
		
			| Digital-Frequency-Counter IM-2400  | 
			1982  | 
			Equipment | 
			 | 
			1 | 
			  | 
			4S | 
			  | 
			  | 
		
	
		
		
			| Digital-Frequency-Counter IM-2420 / SM-2420  | 
			1980  | 
			Equipment | 
			 | 
			4 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Digital Multimeter IM-102  | 
			1971  | 
			Equipment | 
			 | 
			4 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Digital Multimeter IM-1202  | 
			1973 ? | 
			Equipment | 
			2 - ZM1000 | 
			9 | 
			  | 
			4S | 
			  | 
			$ | 
		
	
		
		
			| Digital Multimeter IM-1210  | 
			1977 ? | 
			Equipment | 
			 | 
			5 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Digital Multimeter IM-1212  | 
			1975/76  | 
			Equipment | 
			2 - ZM1000 | 
			9 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Distortion Analyzer IM-5248  | 
			1976 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Dual Trace Oscilloscope IO-105  | 
			1971 ? | 
			Equipment | 
			1 | 
			4 | 
			  | 
			5S | 
			  | 
			  | 
		
	
		
		
			| Dual-Trace-Oscilloscope IO-4235  | 
			1982  | 
			Equipment | 
			1 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Dual-Trace-Oscilloscope IO-4550  | 
			1982  | 
			Equipment | 
			1 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Dual-Trace-Oscilloscope SO-3220  | 
			1982  | 
			Equipment | 
			1 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| dublette ID=79577  | 
			9999 ? | 
			Equipment | 
			3 - ECC83 | 
			 | 
			 | 
			  | 
			1F | 
			  | 
		
	
		
		
			| Eichmarkengenerator IG-14  | 
			1969 ? | 
			Equipment | 
			22 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Electronic Switch ID-101  | 
			1971 ? | 
			Equipment | 
			 | 
			7 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Electronic Switch S-2  | 
			1951 ? | 
			Equipment | 
			5 - 6SN7 | 
			7 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Electronic Switch S-3  | 
			1958–61 ? | 
			Equipment | 
			7 - 12AX7 | 
			13 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Elektronischer Schalter ID-22E  | 
			1964  | 
			Equipment | 
			7 - 12AU7 | 
			10 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| FET / Transistor Tester IT-121  | 
			1973 ? | 
			Equipment | 
			 | 
			11 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| FET Transistor-Tester IT-3120  | 
			1982  | 
			Equipment | 
			 | 
			3 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| FM Alignment Generator FMO-1  | 
			1960  | 
			Equipment | 
			2 - 6U8 | 
			13 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| FM Alignment Generator FMO-1E  | 
			1966 ? | 
			Equipment | 
			2 - 6U8 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| FM Deviation Meter IM-4180  | 
			1982  | 
			Equipment | 
			 | 
			2 | 
			  | 
			5S | 
			  | 
			  | 
		
	
		
		
			| FM Stereo Generator IG-37  | 
			1968 ? | 
			Equipment | 
			6 - 12AU7 | 
			14 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| FM-Stereo-Service-Generator IG-112  | 
			1965 ? | 
			Equipment | 
			6 - 12AU7 | 
			6 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| Frequency Counter IB-101  | 
			1971 ? | 
			Equipment | 
			5 - B-5859S | 
			5 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| Frequency Counter IB-1101  | 
			1972  | 
			Equipment | 
			 | 
			2 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Frequency Counter IM-2410  | 
			1980–92 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			4S | 
			  | 
			  | 
		
	
		
		
			| Frequency Counter IM-4100  | 
			1975  | 
			Equipment | 
			 | 
			6 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| Frequency Counter IM-4110, SM-4110  | 
			1977  | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Frequency Scaler IB-102  | 
			1971–75  | 
			Equipment | 
			 | 
			4 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Frequenzzähler IB-1100  | 
			1973  | 
			Equipment | 
			 | 
			5 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Frequenzzähler IB-1102  | 
			1973  | 
			Equipment | 
			 | 
			4 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Frequenzzähler IB-1103  | 
			1973  | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Function Generator ES-600  | 
			1956 ?? | 
			Equipment | 
			5 - 6AL5 | 
			6 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Function Generator EU-81A  | 
			1973 ?? | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Gleichspannungsoszillograf IO-14  | 
			1966–68 ? | 
			Equipment | 
			26 | 
			6 | 
			  | 
			  | 
			  | 
			$ | 
		
	
		
		
			| Grid Dip Meter GD-1  | 
			1952  | 
			Equipment | 
			1 - 6AF4 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Grid Dip Meter GD-1A  | 
			1953  | 
			Equipment | 
			1 - 6AF4 | 
			6 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Grid Dip Meter GD-1B  | 
			1953–61  | 
			Equipment | 
			1 - 6AF4 | 
			7 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Handitester M-1  | 
			1951 ? | 
			Equipment | 
			 | 
			11 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| Harmonic Distortion Meter HD-1  | 
			1960 ? | 
			Equipment | 
			5 - 12AX7 | 
			5 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| Harmonic Distortion Meter IM-12  | 
			1963 ? | 
			Equipment | 
			5 - 12AX7 | 
			1 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Harmonic Distortion Meter IM-12U  | 
			1963  | 
			Equipment | 
			5 - 12AT7 | 
			1 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| Harmonic Distortion Meter IM-58  | 
			1973 ?? | 
			Equipment | 
			5 - 12AX7 | 
			11 | 
			  | 
			2S | 
			  | 
			$ | 
		
	
		
		
			| HF-Tastkopf PK-3  | 
			1970 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| High Voltage Probe IMA-100-11  | 
			1952 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| HV-Tastkopf IMA-1000-1  | 
			1974 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| HV-Tastkopf 336  | 
			1970 ?? | 
			Equipment | 
			 | 
			1 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| IM-25  | 
			1967 ? | 
			Equipment | 
			15 | 
			16 | 
			  | 
			6S | 
			  | 
			$ | 
		
	
		
		
			| IM-38  | 
			1969  | 
			Equipment | 
			2 - 6AW8 | 
			4 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Impedance Bridge IB-1  | 
			1950 ? | 
			Equipment | 
			 | 
			2 | 
			  | 
			3S | 
			  | 
			  | 
		
	
		
		
			| Impedance Bridge IB-1B  | 
			1951 ? | 
			Equipment | 
			 | 
			8 | 
			  | 
			2S | 
			  | 
			  | 
		
	
		
		
			| Impedance Bridge IB-2  | 
			1954 ? | 
			Equipment | 
			4 - 1U4 | 
			1 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Impedance Bridge IB-2A  | 
			1961 ? | 
			Equipment | 
			4 - 1U4 | 
			7 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Impedance Bridge IB-28  | 
			1968 ? | 
			Equipment | 
			4 - 1L4 | 
			4 | 
			  | 
			3S | 
			  | 
			$ | 
		
	
		
		
			| Intermodulation Analyzer IM-1  | 
			1953 ? | 
			Equipment | 
			4 - 12AX7 | 
			5 | 
			  | 
			1S | 
			  | 
			  | 
		
	
		
		
			| Isolation Transformer IT-1  | 
			1953 ? | 
			Equipment | 
			 | 
			10 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| IT-18  | 
			1968–71 ? | 
			Equipment | 
			 | 
			33 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Laboratory Generator   | 
			1964 ?? | 
			Equipment | 
			4 - 6AF4 | 
			 | 
			 | 
			  | 
			  | 
			  | 
		
	
		
		
			| Laboratory Generator LG-1  | 
			1955–60 ? | 
			Equipment | 
			3 - 6AF4 | 
			12 | 
			  | 
			1S | 
			  | 
			$ | 
		
	
		
		
			| Laboratory Meter EUW-18  | 
			1962 ? | 
			Equipment | 
			 | 
			3 | 
			  | 
			  | 
			  | 
			  | 
		
	
		
		
			| Laboratory Oscillocope IO-18  | 
			1971 ? | 
			Equipment | 
			11 - 6AB4 | 
			13 | 
			  | 
			8S | 
			1F | 
			$ | 
		
	
		
		
			| Laboratory Oscilloscope IO-12  | 
			1962–68  | 
			Equipment | 
			11 - 6AB4 | 
			9 | 
			  | 
			1S | 
			  | 
			$ |