Dear C. Khoury,

Good Day.  Bullen Ultrasonics, Inc. can supply you with Pyrex 7740 slides.
If you are still in need of these slides, please contact me and I can
provide further assistance.

Thank you,


Karen Hamilton
Customer Service Manager
Bullen Ultrasonics, Inc.
Phone: 937-456-7522
Fax: 937-456-2779
www.bullen-ultrasonics.com