Radio Nurse, Guardian Ear

Zenith Radio Corp.; Chicago, IL

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Country
United States of America (USA)

Manufacturer / Brand
Zenith Radio Corp.; Chicago, IL

Year
1938

Category
Miscellaneous (Other, Various) - see notes

Radiomuseum.org ID
74119

- alternative name: Chicago Radio Lab

Picture
Schematics

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 485137) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (3)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 485138) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (3)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 485139) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (3)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1628765) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (3)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1628766) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (3)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 2785763) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (1)
Microphone side of the transmitter

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 2785766) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (1)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1058892) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1058890) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)
Old 2008 Modern Design auction photos

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1058891) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)
Old 2008 Modern Design auction photos

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 1502808) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 157741) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)
Radionurse Ebay seller dennisauction

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 157742) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 137048) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 137049) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 137051) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Radio Nurse, Guardian Ear ; Zenith Radio Corp.; (ID = 137052) Misc — Zenith Radio Corp.; Radio Nurse, Guardian Ear (2)

Click on the schematic thumbnail to request the schematic as a free document.

Technical Specifications

Number of Tubes
6

Valves / Tubes
79 41 84 6F5G 41 84

Power type and voltage
Alternating Current supply (AC) / 115 Volt

Loudspeaker
Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

Material
Bakelite case

from Radiomuseum.org
Model: Radio Nurse, Guardian Ear - Zenith Radio Corp.; Chicago,

Shape
Miscellaneous shapes - described under notes.

Dimensions (WHD)
8.25 x 6.5 x 6.5 inch / 210 x 165 x 165 mm

Notes
"Radio Nurse" (the receiver and speaker) and "Guardian Ear" (the transmitter f = 300 kHz). The Radio Nurse resembles the head of a nurse. Guardian Ear and Radio Nurse is a wireless intercom system introduced by Zenith in 1937 as a baby monitor, designed by Japanese-American artist and designer, Isamu Noguchi. The result was a stylized human nurse's head molded in brown Bakelite. The Radio Nurse was announced in the trade publication "Radio Today" in the March, 1938 issue.

Guardian Ear: 79, 41, 84

Radio Nurse: 6F5G, 41, 84

Price in first year of sale
30.00 $

Source of data
Zenith Radio The Glory Years 1936-1945

Mentioned in
Machine Age to Jet Age II (page 328.)

Literature/Schematics (1)
Zenith schematics 1/501

Author
Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

Other Models
Here you find 4491 models, 4096 with images and 3603 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Zenith Radio Corp.; Chicago, IL

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Collections

The model Radio Nurse, Guardian Ear is part of the collections of the following members.

Ali Elam (USA)

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