Loose Coupled Receiving Transformer No. 748

Chambers F.B., Co.; Philadelphia, PA

Data

Forum

Pictures

Collections

Country
United States of America (USA)

Manufacturer / Brand
Chambers F.B., Co.; Philadelphia, PA

Year
1916

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

Radiomuseum.org ID
198194

Picture
Schematics

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 2058165) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1951612) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1951613) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1951614) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592146) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
November 1916 QST magazine advertisement

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592165) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1003180) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
ancient ebay auction

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592158) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592159) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592160) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592161) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592162) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592163) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1592164) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (2)
Ebay Item Number: 201010208808

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 1951615) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 2024270) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 2263221) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 2263222) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

Loose Coupled Receiving Transformer No. 748; Chambers F.B., Co.; (ID = 2263223) mod-pre26 — Chambers F.B., Co.; Loose Coupled Receiving Transformer No. 748 (1)

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
Wooden case

from Radiomuseum.org
Model: Loose Coupled Receiving Transformer No. 748 - Chambers F.B., Co.;

Shape
Tablemodel, with any shape - general.

Dimensions (WHD)
390 x 180 x 180 mm / 15.4 x 7.1 x 7.1 inch

Notes
F. B. Chambers Loose Coupled Receiving Transformer No. 748

Net weight (2.2 lb = 1 kg)
1.6 kg / 3 lb 8.4 oz (3.524 lb)

Literature/Schematics (1)
November 1916 QST advertisement for F.B. Chambers

Author
Model page created by Alan Larsen. See "Data change" for further contributors.

Other Models
Here you find 15 models, 14 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Chambers F.B., Co.; Philadelphia, PA

Collections | Museums | Literature

Collections

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

Forum