IBM Selectric Operating Instructions

17
Type
Pitch
This
denotesthe
numberofcharactersthatare
typed
per
inch. Your
typewriter
is
either
a
10-
or
12—pitch
machine. This
means
that
it
permits
10
or
12
characters
to
print
for
each
horizontal
inch
of
space.
(The
pitch
of
your
typewriter
is
indicated
by
a
10
or
12
stamped
on
the
right
side
of
the
Clear
View
Card
Holder.)
You
can
also
count
the number
of
marks
per
inch
on
the
Copy
Guide Scale
to
determine the
pitch
of
your
IBM
”Selectric”
Typewriter.
Elements
are
available
with
either
10-pitch
type—indicated
by
a
solid
triangle
on
the
cap~or12-pitch
type—indicated
by a
hollow
triangle
on
the
cap—and
may
be used
on
any
IBM
“Selectric”
Typewriter. Using
a
typ-
ing
element
of
one
pitch
on
a
typewriter
of
another
pitch
will
alter
only
the
amount
of
space
between
each
character.
Try
different
type
styles
and
pitches
to
determine which
is
most
suitable
for
your
needs.

IBM Selectric Specifications

General

Type	Electric typewriter
Introduced	1961
Keyboard Layout	QWERTY
Carriage Return	Electric
Manufacturer	IBM
Printing Technology	Typeball (golf ball)
Power Source	AC Power
Power Supply	120V AC