The bass drum is within specs but the 18" floor tom is over an 1/8" out of round. The lower hoops were removed because the previous owner took all the lower hardware off to match the concert toms. Once the hoop is installed will it pull the drum back into spec a little bit better? It is visible when you put the hoop on the drum, you can see the gaps.
How much over 1/8"? 1/8" out-of-round isn't bad. And, the 3-ply shells do have quite a bit of "give" in them. IF you can't get it back just by squeezing it a little when putting on the head and rim, let me know and I can "talk" you through a semi-easy fix. Once you've got the head and rim on go ahead and tune it just like normal. It will be OK.
I'm at that age that I liked the single-headed, concert tom sound. So on my double-headed toms I took old, used heads for the resonant side and cut them out 1" from the edge. Then installed the cut-out heads with the rims and tension rods. That way I've not had to worry about shells going out-of-round on the resonant side. I bought my set new in 1978, and it still has the same cut-out heads on the bottom I put on then.
Shoot, I've even sold some sets done that way ('cause I was too cheap to put new resonant heads on, and a good share of the time my customer tells me he's buying his own new heads anyway...).