Finished going through the "C's" in one filing cabinet and found the following manuals: Collins KWM-2 and KWM-2A; 8th Edition 15/10/71 - 1st revision 15/02/1975. Excellent condition: $25.00 Collins 6R2 Isolation Amplifier; good condition: $8.00 Still available: 32S-3 Manual; good condition; not pristine: $20.00 Others have been sold. Dave, W5WP