• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1917

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

• Radiomuseum.org ID
• 218738

• • Brand: Silvertone

• 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
• Various materials

• from Radiomuseum.org
• Model: Precision Receiving Transformer - Sears, Roebuck & Co.; Chicago

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12 x 5.75 x 4 inch / 305 x 146 x 102 mm

• Notes
• Sears, Roebuck and Company Precsion Receiving Transformer Capacity 1,500 Meters. The primary is of enameled copper wire and the secondary is of green silk covered wire.

• Net weight (2.2 lb = 1 kg)
• 5 lb (5 lb 0 oz) / 2.270 kg

• Price in first year of sale
• 8.00 $

• Literature/Schematics (1)
• 1917 Sears, Roebuck and Co. Wireless Apparatus catalog page 53

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

• Other Models

• Here you find 5486 models, 3219 with images and 4192 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)