"graduating" the back is done with the help of my marking caliper. which has a resolution of + 1mm. so depending on how much coffee i had to drink today, the back is either 2 or 4mm thick.
getting closer....
i never said i was precise.....
*************************************************
violist Ken Hamao, performing Wieniawski. accompanied by James Lent.
eh... wow?
to be continued...