Coil Holder Type "A"
Penton Engineering Co.; London
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Penton Engineering Co.; London
- Year
- 1926 ?
- Category
- Radio part (not a module)
- Radiomuseum.org ID
- 371158
Wireless Constructor Jun 1926, p. 751.
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- - - No sound reproduction output.
- Material
- Various materials
- from Radiomuseum.org
- Model: Coil Holder Type "A" - Penton Engineering Co.; London
- Shape
- Miscellaneous shapes - described under notes.
- Notes
-
Precision geared coil holder with an 8 to 1 ratio and 4½‑inch operating handle.
- Reduction gearing gives smooth, controlled movement of the coil block.
- Patent locking device prevents the block from dropping under heavy coil load.
- Contact plugs comprise four sections for secure electrical connection in all coil sockets.
- Mounting options: panel or baseboard via four screws through side supports.
- Supplied with ebonite bars for top‑mount fixing and a drilling template for accurate installation.
Performance
Praised for its mechanical quality and ease of operation. The review notes the action as “smooth and easy,” with commendable engineering and attention to constructor needs.Materials
Ebonite bars, metal gearing and handle, wood or metal mounting base.Price (1926)
6 shillings, considered “very reasonable for a first‑class geared coil holder.”
- Price in first year of sale
- 0.30 £
- Mentioned in
- -- Original prospect or advert (Popular Wireless & Wireless Review, 3 July 1926, p. 650.)
- Literature/Schematics (1)
- -- Original prospect or advert (Wireless Constructor Jun 1926, p. 751.)
- Author
- Model page created by Gary Cowans. See "Data change" for further contributors.
- Other Models
-
Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Penton Engineering Co.; London