| Item | Amplifier Smaller Version of P 27 |
|---|---|
| Item code | |
| Description | For CRP Shooting |
| Manufacturer | Petty Geophysical |
| Circa | 1950 |
| Model | |
| Donor | Petty Collection |
| Location | The University of Texas at Austin |
| Serial number | |
| Taxonomy | GSHP028 |
Harry's first answer to a smaller, yet sophisticated, amplifier.