Loose Coupling Coils
![The loose coupler has a copper wire spool on the left, and attachments for connecting wires in front and on the right of the spool.](https://www.communitystories.ca/v2/radio-chez-nous-canada_radio-at-home/wp-content/uploads/sites/154/2021/08/2016_0175b_mm.psd_.png)
Radio Galène, Loose coupler (c. 1920), Model: sliding core, 12 x 14 x 12cm. Musée des ondes Emile Berliner.
This is an example of a copper wire set. It was used as a primary tuning device for early radio receivers.
Radio Galène, Loose coupler (c. 1920), Model: sliding core, 12 x 14 x 12cm. Musée des ondes Emile Berliner.
This is an example of a copper wire set. It was used as a primary tuning device for early radio receivers.