next i have added all the I.C. sockets and resistors making sure the solder flows through the holes to the top side. fortunately all the solder throughs where ok.
I have found that a lot of the tracks have corroded right through where the tracks meet the pads. the corrosion is so small you need a strong magnifying glass to see them.
now to wait for the axil type capacitors to turn up so i can finish the job.
