Special Collections and University Archives for the University of Central Florida Libraries. I also do private book repair and after all the horrible do-it-yourself fixes I've seen I feel the need to present this post as a public service announcement about not using staples or tape on your books.
Heat is applied to the tape with a tacking iron. Heat will usually reactivate the adhesive of the tape, or if you would like to use proper terminology it reactivates the gooiness. However there are cases where heat will just cause the tape to dig its nasty little claws in deeper, so one should always test the waters carefully before removing tape with a tacking iron.
Using a metal micro spatula dipped in rubbing alcohol the tape is slowly lifted
Look at that progress!