{This was sent as email to David Hicks - I thought I would share this with everyone}
I do not have a scanner but would be willing to send you these HP Journals for you to scan.
HP-21, 22, & 25: November 1975 (12 pages)
Personal Calculator Algorithms I: May 1977 (3 pages)
Personal Calculator Algorithms II: June 1977 (4 pages)
Personal Calculator Algorithms III: November 1977 (2 pages)
HP-41C: March 1980 (24 pages)
HP-86, 87XM, CP/M Module, HP-41C driving an HP-7470 Plotter: December 1982 (17 pages)
HP-41C D/A ROM & HP-3421A Data Acquisition Unit: February 1983 (19 pages)
Series 80 Speech Module: January 1984 (8 pages)
HP Calculator IR link, HP 82240A Printer, HP-18C & 28C Robotic Manufacturing: October 1987, (11 Pages)
HP-48SX: June 1991 (43 Pages)
HP-48GX: August 1994: (20 Pages)
I also have a 22 page HP Sales Booklet for the HP 48SX and the HP 28S
You’ve done a great job with the museum.
Regards,
Bruce Cohen