| | Manufacturer | Part No | Description | Available | Price |
| Buy | Anadex | | DP-500/CK-51 & CK-52: Digital Printer/Clock Operation & Maintenance Manual. With Errata dated 12/75. (108225) | 1 | $20.00 |
| Buy | Anadex | | DP-500/CK-51A with option B: Digital Printer/Clock Operation & Maintenance Manual. Includes errata of 5/83. (108226) | 1 | $20.00 |
| Buy | Anadex | | CF-710: Communications Counter Instruction Manual (108229) | 2 | $20.00 |
| Buy | Anadex | | CF-710, D1: Communications Counter Instruction Manual. 12/75. (108230) | 2 | $20.00 |
| Buy | Anadex | | CF-600: Counter - Timer Instruction Manual. (with Options S1, S2, and A). May 1970. (200576) | 1 | $30.00 |