Figure 3-58.-Leroy lettering set.
standard Leroy lettering set consists of a
set of templates, a scriber, and a set of pens. (See
fig. 3-58. )
Templates are made of laminated plastic with
the characters engraved in the face so that the lines
serve as guide grooves for the scriber. The height
of the characters, in thousandths of an inch, is
given by a number on the upper right-hand side
of the template. For example, 3240-500CL
indicates a No. 500 template. The entire number
and letter designation identifies the template
in the manufacturers catalog. The range of
character heights offered by a standard set of
templates is from 80 (0.08 in. or 5/64 in.) to 500
(0.5 in. or 1/2 in.). The scale at the bottom of
each template has the zero in the center and is
arranged for proper spacing in relation to
character heights. The distance between each scale
division represents the center-to-center distance
of normal-width letters.
A standard set of pens for producing various
line weights consists of 11 sizes ranging from 000,
the finest, to 8. Each pen is composed of two
parts: the ink reservoir and the cleaning pin. The
reservoir is a series of connected tubes of
decreasing diameters, the smallest establishing
line thickness. The cleaning pin acts as a valve,
protruding beyond the edge of the bottom tube
when the pen is not touching the drawing surface.
In this position, no ink flows. When the pen is
resting on a drawing surface, the cleaning pin is
pushed up, allowing a flow of ink. Action of the
pin in the tube minimizes ink clogging.
NOTE: As stated in chapter 2, some reservoir
pens are made so the point section will fit in a
Leroy scriber. They have become popular with the
SEABEEs (and widely used over the standard
pens contained in the Leroy
especially for long hours of
A SCRIBER holds the pen in
controls its motion as the tracing pin is guided
through the character grooves of the template.
Two types of scribes are available: adjustable and
Figure 3-59.-Leroy scriber and template.