| | Manufacturer | Part No | Description | Available | Price |
| Buy | Interstate Electronic Corp | P00335099 REV C | Series 30: Function Generator Instruction Manual. 1972. Includes models F31 thru F34. (200580) | 1 | $30.00 |
| Buy | Interstate Electronic Corp | P00335099 REV C | Series 30 Series 30 Function Generator Instruction Manual (201787) | 1 | $35.00 |
| Buy | Interstate Electronic Corp | P00336099-1 (P23/P25) | Series 20: Models P23/P25 Series 20: Models P23/P25 Pulse Generator Instruction Manual (201788) | 1 | $35.00 |