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High frequency (`violet ray') apparatus

1925-1950

High frequency (`violet ray') apparatus

1920-1940

High frequency (violet ray) apparatus, 1950-1960

1950-1960

High frequency (violet ray) apparatus, England, before 1966

before 1966

'Radiolux' high frequency apparatus, Europe, 1920-1940

1920-1940
High frequency electrotherapeutic apparatus, mobile, on hardwood cabinet, by Ludwig Schulmeister, Spitalgasse 5, Vienna 9, Austria, 1925-1935.

High frequency electrotherapeutic apparatus

1925-1935
High frequency induction apparatus, by A. Gaiffe, Paris, 1880-1910

High frequency induction apparatus

1880-1910
High frequency apparatus with induction coil and capacitor bank, European, 1890-1915

High frequency apparatus with induction coil and capacitor bank

1890-1950
High frequency cabinet (Gaiffe-d'Arsonval 1903-1904 machine) with control panel, transformer, 8 accumulators, 2 cells and carbon filament light bulb, by A. Gaiffe, Paris, owned by Dr. A. Bruce, Edinburgh, 1904-1910

High frequency cabinet (Gaiffe-d'Arsonval 1903-1904 machine) with control panel

1903-1904
Incomplete violet ray apparatus, in fitted leatherette case, three heads and a curved tube only, English, early 20th century

Incomplete violet ray apparatus

1920-1950
High frequency "violet ray" electrotherapy apparatus with three electrodes, English, 1925-1940

High frequency "violet ray" electrotherapy apparatus with three electrodes

1925-1940
d'Arsonval type high frequency generator with accessories by the Wappler Electric Co., 162-182 Harris Avenue, Long Island, New York, United States, 1920.

d'Arsonval type high frequency generator with accessories by the Wappler Electric Co.

1920