 |
|
|
|
|
purpose lead diameter mechanism composition variations production date origin |
eraser ~ 3 mm pushbutton incremental advance clutch plastic barrel, metal fittings unknown (1980s) Japan |
||
 | |||
| original content, images, layout and design © 2001 to 2010 Dennis B. Smith | more info... | ▲ top | ||
| |||
