 |
|
|
|
|
lead diameter mechanism composition variations production date origin |
2 mm pushbutton spring plastic barrel, metal fittings unknown, probably barrel color (1980s) Italy |
||
| Bruning 83-410 drafting leadholder |
 | |||
| original content, images, layout and design © 2001 to 2010 Dennis B. Smith | more info... | ▲ top | ||
| |||
