Figure 2-11. Circuit breaker panel.
Use the following procedures to heat the entire
darkroom ((1) below), to heat only the film and print
The temperature in the various
drying cabinets ((2) below), to circulate fresh air through
compartments of the darkroom may
the entire darkroom, if necessary, ((3) below), and to
be controlled by adjusting the
circulate fresh air through the film and print drying
registers on the heating ducts (fig.
cabinets only ((4) below).
of the compartments.