• Country
• United States of America (USA)

• Manufacturer / Brand
• DeWald Radio Mfg. Corp., Pierce Airo Inc.

• Year
• 1935 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 213793

• • Brand: Pierce Airo

• Number of Tubes
• 6

• Valves / Tubes

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Line (AC, UC or DC not known)

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 503-A - DeWald Radio Mfg. Corp.,

• Shape
• Tablemodel, with any shape - general.

• Notes

• Stein says only five tubes.

• Source of data
• Table Top Radios Vol. 4 Stein 2003

• Mentioned in
• Cathedral & Tombstone Radios (page 96.)

• Literature/Schematics (1)
• Machine Age to Jet Age II

• Author
• Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.

• Other Models

• Here you find 442 models, 195 with images and 344 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.