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Short wave tuner Mark III, 1917-1918

1917-1918

Short wave tuner Mk III No. 98 with 4 inert cells

Short wave tuner, with earphone, which uses sound rather than a visual read-out to allow accurate instrument setting by a blind physiotherapist. Provided by the Department of Health and probably manufactured by Electro Medical Supplies Ltd (EMS), England, 1955-1970.

Short wave tuner

1955-1970
Short wave tuner, with earphone, which uses sound rather than a visual read-out to allow accurate instrument setting by a blind physiotherapist. Provided by the Department of Health and manufactured by Electro Medical Supplies Ltd (EMS), England, 1955-1970.

Short wave tuner

1955-1970