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lead diameter(s) mechanism composition variations production date origin |
0.020 inches (0.5 mm) pushbutton incremental advance plastic barrel, metal fittings none early 1970s Japan |
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| see also |
Keuffel & Esser "020" Leroy Pencil Pentel Graph Pencil |
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lead diameter(s) mechanism composition variations production date origin |
0.5, 0.7 mm, ? pushbutton incremental advance plastic barrel, metal grip and fittings none circa 1970s Germany |
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| special features |
lead degree indicator |
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| see also | Faber Castell TK 9715 T |
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| original content, images, layout and design © 2001 to 2010 Dennis B. Smith | more info... | ▲ top | ||
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