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This Newsletter No. GN25-0834
Date April 1, 1981
Base
Prerequisite Newsletters/
Supplements
GN25-0491
© Copyright
This Technical
.Qperator's
Newsletter
to support
contains replacement pages tor
and how you should insert pages.
Pages to
be Removed
17-18
21-24
35-36
65-66
197-198
217-218
on Notice
-x
mendments xi-xiv
Reader's Comment forms
Attached Pages
to be Inserted*
Title, Edition Notice
Contents vii-x
17-18.2
21-24
35-36.2
65-66
197-198
217-218.4
Reader's Comment forms
*If you are inserting pages from different Newsletters/Supplements and
latest date (shown in the slug at the top of the page). The page with
the latest date contains the most complete information.
Changes or additions to the text and illustrations are indicated by a
vertical line to the left of the change.
This Technical Newsletter incorporates
technical and editorial modifications.
changes reflecting minor
Note: please file this cover letter at the back of the publication to
provide a record of
Printed in U.S.A.