Special scale for log ref level knob
with 8556A LF plug in


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Special knob for use with 8556A LF plug in





Originally, with each 8556A LF section
a special knob for the IF section log ref level was provided.
HP part number 08556-00013
The knob added the red scale specifically for the 8556A.
The scale can be printed and attached to the knob flange
with double sided tape.


Print to scale and attach to the
knob flange with double sided tape.




Final product