syntonizing coil
1syntonizing coil — Syntonizer Syn to*niz er, n. (Physics) One that syntonizes; specif., a device consisting essentially of a variable inductance coil and condenser with a pair of adjustable spark balls, for attuning the time periods of antenn[ae] in wireless… …
2Syntonizer — Syn to*niz er, n. (Physics) One that syntonizes; specif., a device consisting essentially of a variable inductance coil and condenser with a pair of adjustable spark balls, for attuning the time periods of antenn[ae] in wireless telegraphy… …
