| Table III Long Scale Devices with Gunter Lines, Gridirons and Graphical Charts & Tables | |||||
|---|---|---|---|---|---|
| Graphical Charts & Tables | |||||
| Maker | Model No./Type | Sections | Approx Date | Effective Scale Length (cm) |
Data Source |
| Unknown | Cooper - 100" | c1920 | Otnes Collection [2022] | ||