I was looking through my magazine collection and found copies of the Hamer Tone. I have:
Volume 1, No. 1, 1992 (have 2)
Volume 1, No. 2, 1992 (have 2)
Volume 1, No. 3, 1993
Volume 2, No. 1, 1993
Volume 2, No. 3, 1994
Volume 3, No. 1, 1994
Volume 3, No. 2, 1994
Volume 3, No. 3, 1994
Volume 4, No. 1, 1995
Volume 4, No. 2, 1996
Volume 4, No. 3, 1996
 
I also have the Hamer catalog and price list from 1992
 
If you are interested in these, make me an offer via email.  
Thanks,
Ben