National Amplifiers.

The early models.

Early(prewar) amplifier

-Center-

Early 1930s chicken-foot coverplate.

This is the first model we know off, it was sold paired with the earliest ali lap steels.

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier

Tonk Bros Catalogue

Mid 1930s chicken-foot coverplate.

Early(prewar) amplifier

Early(prewar) amplifier

Mid to late 1930s, National shield model.

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier

Moon & Stars coverplate.

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier

Early(prewar) amplifier
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