Schematic info

[GPBATEY]

Greetings to keepers of the Green...

Can anyone direct me to where I can get a schematic and parts list  for:

1.  HEATH  CM 1073 Auto Tune up meter.  I have the ID-29 info
but the meter seems to be different in the 1073.  

2.  PYRAMID PS-35 adjustable DC power supply.  I have the schematic 
that came with the unit but it is not correct.  I would like to obtain the
schematic
that utilized a voltage adjust pot with only TWO wires.  I think this is
made 
by tenna but cannot find any info.

Thanks for any help guys.

Gordon WA4FJC
GPBATEY at compuserve.com

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