The back part of each drawer is covered for a
width of from six to ten inches, to prevent drawings, and especially
tracings, from slipping over at the back.
The introduction of the blue printing process has quite revolutionized
the drawing office, so far at least as we are concerned. Our drawings
are studies, left in pencil. When we can find nothing more to alter,
tracings are made on cloth. These become our originals, and are kept
in a fire-proof vault. This system is found admirably adapted to the
plan of making a separate drawing for each piece. The whole combined
drawing is not generally traced, but the separate pieces are picked
out from it. All our working copies are blue prints.
Each drawer contains fifty tracings. They are two and a half inches
deep, which is enough to hold several times as many, but this number
is quite all that it is convenient to keep together. We would
recommend for these shallower drawers.
Each drawing is marked in stencil in the lower right hand corner, and
also with inverted plates in the upper left hand corner, with the
letter and number of the drawer, and its own number in the drawer, as,
for example, 3F--31; so that whichever way the sheet is put in the
drawer, this appears at the front right hand corner. The drawings in
each drawer are numbered separately, fifty being thus the highest
number used.
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