2 Words to use with dictograph

"Eleven, M.P.", however, could mean nothing to anybody but Victorexcept a body clever enough to hide a dictograph detector in a turnip.

So absolute was the submergence of that ardent adventurer who, overnight, had lain awake for hours, a dictograph receiver glued to his ear, eavesdropping upon the traffic of those malevolent intelligences assembled in Prince Victor's study, and alternately chuckling and cursing beneath his breath, aflame with indignation and chilled by inklings of atrocities unspeakable abrew!

2 Words to use with  dictograph