|
|
|
|
lead diameter mechanism composition variations production date origin OEM |
2 mm pushbutton spring clutch all metal pushbutton color: black, blue, green, brown, red, silver circa 1960s Italy Italian subsidiary of Koh-I-Noor Pencil Co., USA |
||
| see also | Koh-I-Noor / Keuffel & Esser Adapto 5611-K |
|
|
|
|
lead diameter mechanism composition variations production date origin OEM |
2 mm pushbutton incremental-advance/spring-clutch all metal none circa 1967 USA Tru Point, USA |
||
| special features | unique incremetnal-advance mechanism with exposed clutch collet | ||
| see also |
Tru Point Automatic Lead Holder US Patent 3,450,482 "Pencil Lead Holder with Fixed Length Feed," 1967 advertising leaflet distributed with Tru-Point lead pointers |


Documentation included with the K&E Automatic.
| original content, images, layout and design © 2001 to 2010 Dennis B. Smith | more info... | ▲ top | ||