| 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 |
| Schneider, Edmund | Zwolfmeter-Rechenschieber | c1924 | ISRM and Chamberlain collection; no reference known | ||
