| Article number: | 29.05.017 |
'A detailed dimensioned drawing at the 1:40 scale customary for Vellekoop for O gauge
| Author: | JJB Vellekoop |
| Drawing content: | 'a detailed dimensioned sketch with views and cross-sections |
| Scale: | 1:40 |
| Total number of drawing sheets: | 1 |
| Number of A4 pages of text: | |
| Difficulty Level: | D |