Template:Potd/2015-07-11 (en)
![](https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/Standardgraph_2522_2.5%E2%80%937_mm_lettering_guides.jpg/300px-Standardgraph_2522_2.5%E2%80%937_mm_lettering_guides.jpg)
Lettering guides for technical drawings.
This is the English translation of the Picture of the day description page from 11 July 2015.
Lettering guides for technical drawings.
Descriptions in other languages:
This is the English translation of the Picture of the day description page from 11 July 2015.
Descriptions in other languages: