RETOUCHING The alteration of detail or removal of spots and blemishes
in a photographic print or negative.
RETOUCH VARNISHA light, colorless varnish sprayed on a dull, dried-
out area or an unfinished oil painting to restore the wet colors or values,
making it easier to mate with new paint.
REVERSESee FLOP. To turn over.
REVERSAL See REVERSE PRINT.
REVERSE PRINTA print where the black values of the originals are
REVISION BLOCKSpace located in the upper-right corner of a drawing
to record any changes to the original drawing.
REVOLVED SECTIONA drawing of the internal cross section of an
object superimposed on the basic drawing of the object.
ROMANOne of a group of alphabets or typefaces characterized by thick
and thin strokes and often with serifs.
ROSS BOARDAn illustration board that comes in a variety of roughened
surfaces that divide crayon or brush strokes into broken textures suitable for
ROTATIONA view in which the object is rotated or turned to reveal a
different plane or aspect.
ROUND BRUSHA cylindrical brush having an evenly tapered point.
RUBBER CEMENTSemitransparent glue consisting of gum rubber and a
petroleum or benzol solvent.
RUB-ONSTransfer sheets containing reprinted characters, symbols, and
numerals applied by burnishing over an acetate or paper back sheet.
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