sparks-wit: Sparton 83

Sparton 83 is a model with an option for a tuning indicator. The chassis are similar, only the Viso-Glow and its regulator (sensitivity setting) are missing in the simpler version.

Whether the different cabinets were particularly allocated to the chassis versions is not yet known. Currently we know that the modern / art deco type employs the Viso-Glo. And the one without Viso-Glo  is slightly more cambered.

Both chassis are clearly marked 83.

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