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USA: Radio Catalog for the radio manufacturer National Company; Cambridge & Malden (MA)

Choose the only.

Model	Year	Category	Tubes	Pictures			Forum	Coll.Pr.
650S	1950–64	Power-S
NCX-D	1965 ?	Power-S	2	3		1S
VLF Preselector LF-10	1964 ??	mod-past25	8	2		2S
HRO-500	1964–73	Amateur-R	37	11		4S		$
HRO-500P	1964–73	Amateur-R	37	1
AGU	1933	Radio		2
BM Dial	1932–50 ??	Radio part		1
Coil Cabinet NCC-10	1930–34 ??	Amateur-D		2
Combination Unit 50SC-2	1950–54	Speaker-P		1
Dial E	1928–34 ?	Radio part		3
Dial F	1928–34 ?	Radio part		3
Dial H	1928–37 ?	Radio part		2
Dial N	1932–50 ?	Radio part		2
Dial R	1935–46 ?	Radio part		2
Dial VK	1932–35 ?	Radio part		2
Duo-Range Charger	1927	Power-S		2
Exciter NTE-C	1938–41	Amateur-T		1
FB-7 Series Coils	1933–36	Radio part		9
High Fidelity TRF Unit	1937–39 ?	Radio		2
Horizon 100	1956	R-Player		1
HRO Coils Consumer Models	1934–64	Radio part		8
HRO Receiver Tuning Mechanism Type PW	1935	Radio part		5
Keyer Oscillator Unit	1945/45	Amateur-D		2
Monitor Panel	1945/45	Misc		2
NC-300TS	1955–58	Speaker-P		3
NC-TV-1202	1950 ?	Television				22S
NW Dial	1933–41 ?	Radio part		2
NY Dial	1940–42	Radio part		2
O Dial	1936–55 ??	Radio part		2
Patch Cord Panel	1945	Misc		2
Phonograph Dancers	1915 ??	Misc		3
Pi Network Coupler NT-APW	1939–41	Amateur-D		1
Power Supply NCX AC 500	1969	Power-S				1S
Precision Condenser Micrometer Dial PW Series [PW-1 PW-2 PW-3 PW-4]	1934–60 ?	Radio part		4
Receiver NRCL	1945	Commercial Re		2
Relay Control Panel NT-RPW	1939–41	Amateur-D		1
Signal Meter S-80	1937/38	Amateur-D		2
Signal Rectifier Unit	1945/45	Misc		2
Speaker Unknown	1933–36 ?	Speaker-P		1
Speaker Cabinet NDC-2	1940–44	Cabinet		2
Speaker Cabinet NDC-8	1936–41 ?	Cabinet		3
Speaker Cabinet NDC-10	1936–41 ?	Cabinet		1
Speaker Panel	1945/45	Speaker-P		2
SW-3 and SW-5 Coil Data	1929–46	Radio part		5		1S
Velvet Vernier string drive tuning dial	1925 ??	Radio part		5

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