Receiver, radio

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Ingenium, 1971.0260.001
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OBJECT TYPE: AM-CW/SUPERHET/TUBE/RACK
DATE: 1935
ARTIFACT NUMBER: 1971.0260.001

MANUFACTURER: National Co. Inc.
MODEL: HRO
LOCATION: Malden, Massachusetts, United States of America

More Information

General Information

Serial #: 7051
Part Number: 1
Total Parts: 9
AKA: N/A
Patents: N/A
General Description: METAL/ CLASS/ WOOD/ SYNTHETIC/ PAPER LABELS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 43.2 cm
Width: 25.4 cm
Height: 22.9 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Radio
Sub-Category: N/A

Manufacturer

AKA: National
Country: United States of America
State/Province: Massachusetts
City: Malden

Context

Country: Worldwide
State/Province: Unknown
Period: 1940-1960/ EXPECIALLY DURING WW II
Canada: Unknown
Function: USED TO RECEIVE AMPLITUDE MODULATION & CW (MORSE CODE) RADIO SIGNALS. IT COULD BE USED FOR EITHER CODE OR VOICE RECEPTION.
Technical: THE HRO USES A SUPERHETERODYNE CIRCUIT & COMES COMPLETE WITH A SEAPARATE POWER SUPPLY, SPEAKER AND AVAILABLE PLUG-IN COILS THAT ALLOWED FOR RECEPTION OF FREQ. FROM 50 KHZ TO 30 MHZ -ALL THE AVAILABLE FREQ. OF THE TIME.
Area Notes: Unknown

Details

Markings: .1: MFG. PLATE: `NATIONAL HIGH FREQUENCY/ RECEIVER TYPE HRO/ NC [LOGO]/ NATIONAL COMPANY, INC./ MALDEN, MASS. U.S.A.'/ DECAL: `NATIONAL/ MADE NC BY/ NATIONAL CO., INC. MALDEN, MASS, U.S.A.'/ DIALS: `AUDIO GAIN' `C.W.OSC.'`PHASING'`R.F.GAIN'/.2: MFG. PLATE: `NATIONAL/ TYPE/ 697/ NUMBER/ CYCLES/ 50-60/ VOLTS/ 105-120/ NATIONAL COMPANY INC./ MALDEN, MASS. U.S.A.'/.3-.9: SEE SUPP. INFO. FILE
Missing: From CA of 05/03/1996 by Tony Missio: Undetermined
Finish: CASES BLACK WRINKLE ENAMEL/ BLACK KNOBS & HANDLES/ CHROMED DIALS WITH BLACK PRINTING/ STAINED BOX
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

National Co. Inc., Receiver, radio, circa 1935, Artifact no. 1971.0260, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1971.0260.001/

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