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USA: Radio Catalog for the radio manufacturer General Radio Company; Cambridge (MA)

Choose the only.

Model	Year	Category	Tubes	Pictures			Forum	Coll.Pr.
Power Supply 1262-B	1968	Equipment		5		1S	1F
Precision Capacitor 722MEQ	1956 ?	Equipment		3
Precision Sound Level Meter 1981	1971 ??	Equipment
Precision Wavemeter 724-B	1950 ??	Equipment		9
Pulse Generator 1217-B	1962	Equipment		1		8S
Random Noise Generator 1390-A	1960 ??	Equipment		4		1S
Resistor 500	1931	Radio part		2		2S
R-F Bridge 1606-A	1957 ??	Equipment		6		8S
Standard Capacitor 1409F	1965 ?	Equipment		1		1S
Standard Capacitor 1409K	1960 ??	Equipment		1		1S
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 Voltmeter 728A	1949 ??	Equipment				1S
Variable Air Condenser Type 101	1919 ?	Radio part		1
Variable Air Condenser Type 182	1919 ?	Radio part		3				$
Variable Air Condenser 246L	1912 ??	Radio part		2				$
Variable Air Condenser 539A	1944	Equipment		5
Variable Air Condenser 568	1931	Radio part		1		1S
Variable Inductor 107J	1946 ?	Equipment		1		2S
Variable Inductor 107K	1946 ?	Equipment		8		2S		$
Variable Inductor 107L	1946 ?	Equipment		3		2S
Variable Inductor 107M	1946 ?	Equipment		3		2S		$
Variable Inductor 107N	1946 ?	Equipment		3
Variac (various models)	1946 ?	Power-S		1
Variac Type V2-S33	1950 ??	Power-S		4
Variac V-5MT	1949 ?	Power-S		7
VARIAC V-10M	1950 ?	Power-S		10
Variac W2	1960 ??	Power-S		5
Variac W20	1960 ??	Power-S		3
Variac 200B	1936	Equipment		3		1S
Variac 200-CM	1933 ?	Equipment		5
Variac 200-CU (Baker)	1933	Equipment		5
Variac Autotransformer W2MT	1960 ??	Power-S		3
Variac Autotransformer W5MT3A	1970 ??	Power-S		8		6S
Variac Autotransformer W10MT	1955 ??	Power-S		1		6S
Variac Autotransformer W10MT3	1970 ??	Power-S		3		5S
Variocoupler	1910 ??	mod-pre26		3
Variometer 269	1930 ??	Radio part		2		1S		$
Vernier Condenser Type 169	1919 ?	Radio part		1
Voltage Divider 700-PI	1952 ??	Equipment		2
Volume control 652	1931	Radio part		1		2S
Wavemeter 358	1928 ??	mod-past25		14				$
Wavemeter and Filter 247 (247-W)	1923 ??	mod-pre26		23		4S		$

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