THIS IS THE CIRCUIT AS USED IN
THE CRYSTAL TESTER PROJECT.
originally from: http://www.keirle.fsnet.co.uk/xtal.htm
BC182 substitute :
Note the push switch to "test", the "OK" LED and the handy
"press in" speaker terminal for the test crystal leads.
Also, 9v battery holder and leads.
Here is an inside peek at the PCB and the dremel tool cuts
for the pads. A rather quick and dirty way to make a PCB
without traces and etching.
All components stand on the copper side of board.
Bonus: no ferric chloride
look at the the project showing the top view.
BNC output to your frequency counter for exact crystal status.