Files from back then are pretty sparse, so there is no mention of the tuners. We typically used chrome for their durability, but I'm sure we used whatever we could find some days.
top: Koa
back: Zebrawood
body: Maple
neck: 5-piece Maple and Walnut
scale: 24.75 medium
fingerboard: Ebony
inlays: mother of pearl
originally made for LD Heater
birthday: not recorded
One previous registered owner in NJ, who bought it used in 2003.
Looks like you were correct with your wood guesses!