ITG Darmstadt
Description
The other type was based on the Faber-Castell Darmstadt rule numbered 1/54, but because of simplified manufacturing process it missed the log-scale from the upper edge, and trigonometric scales from the lower edge. Note that the Ritz label was simply rewrited to Darmstadt with a typewriter.
| Manufacturer: | Iskolai Taneszközök Gyára (Hungary) |
| Mfg. date: | 1951-53 |
| Size: | 294×43×14 mm |
| Purpose: | iskolai standard slide rule |
| Material: | body: wood scales: polished cardboard |
| Scale length: | 25 cm (10-inch) |
| Scale order: | special front: cm / K Ah | Bh CIh Ch | Dh P / 1:25 back: | LL1 LL2 LL3 | |
| Window: | plastic with 3 indices |
Note that the two part of the body are made of differenc kind of woods and their sizes are different. (Its window was replaced.)
