• Country
• United States of America (USA)

• Manufacturer / Brand
• American Specialty Co., The; Bridgeport (CT)

• Year
• 1924 ??

• Category
• Radio part (not a module) 

• Radiomuseum.org ID
• 195991

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Kelford 300 Gain Transformer - American Specialty Co., The;

• Shape
• Chassis only or for «building in»

• Notes
• Kelford 300 Gain Transformer;
  Combined transformer and choke. The transformer shall feed the input (grid) and the choke load the output (plate) of an audio stage. To be used ahead of any power stage.

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

• Other Models

• Here you find 13 models, 8 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from American Specialty Co., The; Bridgeport (CT)