And per se and or ampersand

Rolled coloured litho ink onto the wooden block by hand & (of course!) meant to keep the rollers on the Vandercook press up and out of contact while I put the paper through, but forgot, so the rollers took some print off the block and started their own mix. I went with the flow & carried on inking up the block with red, yellow &/or blue ink & turning the paper to get over-printing. Carried on printing not adding ink to get paler over-printings too. Could have carried on all night ...