| Table III Long Scale Devices with Gunter Lines, Gridirons and Graphical Charts & Tables | |||||
|---|---|---|---|---|---|
| Gridiron Scales | |||||
| Maker | Model No./Type | Sections | Approx Date | Effective Scale Length (cm) |
Data Source |
| Schneider, Friedrich | Graphical Calculating Table | 1909 | Atzbach collection | ||