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Speaker with microphone
Speaker with microphone[Lamps, acoustics, readouts.cdl]
Speaker with microphone
Lamps, acoustics, measuring instruments - Vector stencils library
Ammeter
Frequency meter
Voltmeter
Galvanometer
Oscilloscope
Synchroscope
Thermometer
Wavemeter
Standard bell with 1 line input
Single-stroke bell with 1 line input
Siren with 1 line input
Standard bell with 2 lines input
Bell with 2 lines input
Bell with 1 line input
Single-stroke bell with 2 lines input
Siren with 2 lines input
Buzzer with 1 line input
Buzzer with 2 lines input
Buzzer with 2 lines input
Buzzer with 1 line input
Indicating lamp with 1 line input
Non-indicating lamp with 1 line input
Indicating lamp with 2 lines input
Non-indicating lamp with 2 lines input
Signal lamp
Lamp
Fluorescent lamp 2 terminal
Fluorescent lamp 4 terminal
Speaker
Speaker with microphone
Microphone
Capacitor microphone
Push-pull microphone
Microphone with 1 line
Microphone with 2 lines
