Carbon pencil arc lamp for irradiation purposes with multiple arcs
DE637693C
Irradiation lamp with ultraviolet radiators connected in series and separated from them by infrared radiators arranged within a reflector housing closed by a protective grille
DE634773C
Carbon pencil arc lamp for medical purposes with two or more arcs connected in series
DE645616C
Adjustable multiple spark gap for generating high-frequency vibrations
DE567208C
Device for generating damped electrical oscillations
DE563299C
Device for simultaneous mechanical massage of the body and diathermic treatment with high frequency currents
DE522403C
Device for achieving certain spark lengths in high frequency treatment
DE493904C
Device for air purification and air humidification
DE436060C
High frequency apparatus
DE412085C
X-ray cassette
DE411738C
Device for measuring the voltage on the Roentgen tube
DE403211C
Device for measuring the voltage on the Roentgen tube
DE389889C
Regulating device for resistors, coils or the like produced according to the principle of sliding resistance.
DE417335C
Adjustable coil (resistor, self-induction coil or the like)
