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The Encyclopedia of Horology

Clock · Tabletop clock radio

Stromberg-Carlson Vintage Black Clock Radio

Partially verified

This tabletop tube clock radio is produced by Stromberg-Carlson and features a black rectangular cabinet. The design incorporates a concentric circular speaker grille positioned to the right of a clock display, with vertical bars separating the two functional areas. The integrated Sessions clock face is cream-colored and aged, featuring molded Roman numerals around the perimeter. The manufacturer’s name appears in a metallic script on the lower front of the cabinet. The rear panel carries a label with serial number B 21350. The piece is approximately 6 inches wide, 4 inches high, and 4 inches deep. According to the auction description, the cabinet exhibits scratches, spotting, and a crack at the lower rear corner, and one control knob is absent. The operational status of both the clock and radio mechanisms remains untested.

Front view of the Stromberg-Carlson clock radio showing the black cabinet, Sessions clock dial, and circular speaker grille.
Front view of the Stromberg-Carlson clock radio showing the black cabinet, Sessions clock dial, and circular speaker grille. — DejaVu Estate Sales & Auctions (via Invaluable). Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.invaluable.com
Category
Clock · Tabletop clock radio
Maker / attribution
Stromberg-Carlson
Reference
Not recorded
Catalogue / lot identifier
590F
Source-reported date
Not established
Source-reported place
Not established
Source-reported serial
B 21350

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Cabinet and External Features

The object is a tabletop tube clock radio housed in a rectangular black cabinet. The front face is divided into two primary sections by a central set of vertical grille bars. The right portion of the cabinet front contains a circular speaker output protected by a concentric circular grille.

The manufacturer's identity is displayed through a metallic script logo located on the lower front of the cabinet. The external housing is noted for having specific signs of wear, including general surface scratches, spotting across the material, and a crack located on a lower rear corner of the cabinet.

Evidence for this section
  • “black rectangular cabinet”
  • “concentric circular speaker grille and central vertical grille bars”
  • “Metallic maker’s script appears below”
  • “Cabinet shows scratches, spotting and a lower rear corner crack”

Clock Display

The clock component is integrated into the left side of the cabinet and is identified by the manufacturer as a Sessions mechanism. The clock face itself is cream-colored and shows evidence of aging. Surrounding the center dial are molded Roman numerals that function as the primary indices.

Control functionality is facilitated by external knobs located on the front of the radio. The auction description notes that one of these control knobs is currently missing from the front assembly, and the current operational state of the clock remains untested.

Evidence for this section
  • “Sessions clock has an aged cream dial surrounded by molded Roman numerals”
  • “one front clock control knob is missing”
  • “Clock and radio operation untested”

Identification and Documentation

The specific unit is catalogued with the serial number B 21350, which is printed on a label located on the rear of the cabinet. This serial identification serves as the primary reference point for the individual unit in the context of the current lot description.

Beyond the serial number and manufacturer, the provenance or original production timeframe for this specific radio model is not provided in the source documentation. The dimensions are provided as estimates by the auction house to verify the size of the tabletop unit.

Evidence for this section
  • “rear label bears serial No. B 21350”
  • “Estimated dimensions: approximately 6" W x 4" H x 4" D.”

Open research questions

  • What is the specific model number for this Stromberg-Carlson radio?
  • In what decade was this unit originally manufactured?

Source evidence

Recorded claims and source quotations for Stromberg-Carlson Vintage Black Clock Radio
FieldSource-reported valueSource quotation
MakerStromberg-Carlson“Stromberg-Carlson”
Serial NumberB 21350“rear label bears serial No. B 21350”
Clock ManufacturerSessions“Sessions clock has an aged cream dial”
Cabinet ColorBlack“black rectangular cabinet”
Estimated Width6 inches“approximately 6" W”
Damage ReportScratches, spotting, and corner crack“Cabinet shows scratches, spotting and a lower rear corner crack”

Visible details

  • Aged cream clock dial
  • Molded Roman numeral chapter ring
  • Metallic Stromberg-Carlson script
  • Concentric circular speaker grille

Research qualifications

  • Operational status of clock and radio unknown
  • One control knob is reported as missing

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

STROMBERG-CARLSON VINTAGE BLACK CLOCK RADIO 10"

Reviewed 2026-10-26 · Record f7576a6325

Terms in this record

Glossary explanations for terms named in this object’s record.

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