The main results obtained in the small tokamak TBR-1 of University of
Sao Paulo (USP) are reviewed. The main effort has been concentrated on
the characterization and external control of MHD activity, plasma edg
e phenomena and diagnostic development. The design of a small-aspect-r
atio tokamak, TBR-E, and the research program to be carried out in TCA
, to be transferred from Lausanne to Sao Paulo, are also briefly descr
ibed.