H 1 Loud-speaking Telephone

ID = 104202

Country: Great Britain (UK)	Manufacturer/Brand: Brown, S.G., Ltd
Year: 1922	Type: Loudspeaker (speaker or headphone)

Principle	not available
Wave bands	- without
Power type and voltage	No Power needed
Loudspeaker/pwr.out	Horn
from Radiomuseum.org	Model: H 1 [Loud-speaking Telephone]
Material	Various materials
Shape	Miscellaneous shapes - described under notes.
Dimensions (WHD)	0 x 22 x 0 inch / 0 x 559 x 0 mm
Notes	Straight-necked ebonite horn, mahogany and cast iron base. 120 ohms. BBC/PMG stamp.

This model was suggested by Konrad Birkner.

All listed radios etc. from Brown, S.G., Ltd
Here you find 27 models, 19 with images and 2 with schematics.