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Category
Therapeutics
3
Maker
Patrick Heron Watson
1
Object type
electrotherapy
3
high frequency resonators
3
therapeutics (electrotherapy)
3
electrotherapy equipment
1
Place
France
2
London
1
Material
brass
1
coil, bakelite
1
coil, copper
1
coil, vulcanite
1
copper
1
stand, mahogany, varnished
1
vulcanite
1
Date
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High frequency resonator
High frequency resonator
Therapeutics
1900-1920
Part of a high frequency resonator, comprising base with Spark-gap enclosed in glass vessel and helical copper spring, switch and terminals, French, 1890-1900
Part of a high frequency resonator, comprising bas
Therapeutics
1890-1900
Rocheford high frequency resonator, with accessories, French, 1880-1910
Rocheford high frequency resonator, with accessori
Therapeutics
