| Manufacturer: | Heathkit |
| Model: | GR-4000 |
| Description: | Projection TV |
| Type: | Adjust, Operator Manual |
| Price: | $22 |
| Manufacturer: | Heathkit |
| Model: | GR-4000 |
| Description: | Projection TV |
| Type: | Alignment Manual |
| Price: | $20 |
| Manufacturer: | Heathkit |
| Model: | GR-4000 |
| Description: | Projection TV |
| Type: | All 4 Vols |
| Price: | $87 |
| Manufacturer: | Heathkit |
| Model: | GR-4000 |
| Description: | Projection TV |
| Type: | Service Manual |
| Price: | $22 |