Looking good so far.
It will be interesting to see how you form up the secondary. How are you going to space the wires, etc.
One thing that is interesting about Tesla, is that he peculiarly good hearing. One of my theories is that he was so good at this because he tuned by ear. Whereas most people who make a Tesla coil tune it by.. it makes a spark, that's good enough.
Glad you asked about the spacing. I'll get an extra picture of that.
About Tesla's tuning, here is a quote from his pre-hearing interview 1916: