Number the following sentences from 1-6 to show the sequence of steps involved in the function of a spectrograph.
The spinning head grazes the inside of the wheel and picks up the sounds on the tape.
The paper gives a picture of the sound for analysis by sound experts.
The recording head begins spinning.
Noise or speech is taped on the spectrograph.
These sounds are burned onto treated paper.
A section of the tape is wrapped and then fastened to the wheel of the spectrograph.