Receiving Transformer Loose Coupler No. 400

Frost, Herbert H.; Chicago (IL)

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Country
United States of America (USA)

Manufacturer / Brand
Frost, Herbert H.; Chicago (IL)

Year
1917–1922

Category
Radio module pre 1926 (not a part, not a key)

Radiomuseum.org ID
120165

Picture
Schematics

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803624) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803627) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803629) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803634) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803630) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 2263278) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Collection privée (réf.: 1281)

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 2305377) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
1922 Frost Radio catalog page 15

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803631) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803628) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803626) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803625) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803632) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1803633) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (1)
Frost Loose Coupled Receiving Transformer

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1000407) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old Ebay auction

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 979695) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1000408) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old ebay auction

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335501) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Ebay Item: 261125538460

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335502) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Ebay Item: 261125538460

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335503) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Ebay Item: 261125538460

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335506) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Ebay Item: 261125538460

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335507) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Ebay Item: 261125538460

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335508) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old Ebay Auction

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335509) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old Ebay Auction

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335510) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old Ebay Auction

Receiving Transformer Loose Coupler No. 400; Frost, Herbert H.; (ID = 1335511) mod-pre26 — Frost, Herbert H.; Receiving Transformer Loose Coupler No. 400 (2)
Old Ebay Auction

Technical Specifications

Main principle
Tuner pre 1926 (not a wave trap)

Wave bands
Broadcast (MW) and Long Wave.

Power type and voltage
No Power needed

Loudspeaker
- - No sound reproduction output.

Material
Various materials

from Radiomuseum.org
Model: Receiving Transformer Loose Coupler No. 400 - Frost, Herbert H.; Chicago IL

Shape
Miscellaneous shapes - described under notes.

Dimensions (WHD)
18 x 0 x 0 inch / 457 x 0 x 0 mm

Notes
Primary coil provided with a slider, 12 times tapped secondary moveable coil.

Price in first year of sale
8.50 $

Source of data
-- Collector info (Sammler)

Mentioned in
- - Manufacturers Literature (1922 Frost Radio catalog page 15)

Author
Model page created by a member from A. See "Data change" for further contributors.

Other Models
Here you find 21 models, 18 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Frost, Herbert H.; Chicago (IL)

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The model Receiving Transformer Loose Coupler is part of the collections of the following members.

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