The Seven-Per-Cent Solution: Being a Reprint from the Reminiscences of John H. Watson, M.D. (The Journals of John H. Watson, M.D. Book 0)
| Country | USA |
| Brand | PRO-EDGE INDUSTRIAL PNEUMATICS AND CONTROLS |
| Manufacturer | Schulz |
| ItemPartNumber | 7580VV30X-1 |
| Model | Schulz Recip Compressor |
| Size | Two Stage Heavy Duty Industrial Grade |
| ReleaseDate | 0000-00-00 |