Reversal stock:
You can push Tri-X 1 or 2 stops to increase contrast.
Do a grey scale
chart in your tests so you can see how pushing decreases dynamic range (ie
increased contrast) as well as increasing grain.
* used to made
dupe negs from camera negs (or any neg) in one printing stage.
** designed
to make prints from reversal originals, eg to make a print master from a
cut original. Tungsten balanced, 1:1 contrast..
*** designed
for making projection contrast prints from low contrast originals, eg 7252
VN designed
for making prints from 7239/40/50