I think he also had a glass rod opaquing tool that I used to love before paste opaque made my life bearable. I probably still have a big brush but I’m not a fan.
Some of my collection. Spray opaque was my life (time) saver And I moved off the glass rod. Used the porcelain wet trays for years too. Actually zirconia was my life saver!
It only took me one time too, as far as the cost. I didn't want to be flicking my wrist that much to engage the beads, so I just used a damp sponge to refine my brush tip. Wasn't he also the one who was heavy into condensing, where he could even toss a built crown and not have it break apart? Or at least that was the idea?
I also had a set of his posterior Big Teeth casts, in the blue cut foam and clear plastic box.
He's that guy. Man I worked for took his course. Came back telling us about him doing the toss the crown against the wall thing. You could do that with Ceramco. Tanaka must have been what, 90? Big innovator, smart guy. RIP