| ◄ | Drafting Leadholder Thumbnail Index |
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| Imprint reads "MIFA 30 - swiss made." Imprint on reverse reads "Dietzgen." | |
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lead thickness mechanism composition variations production date origin |
0.3 mm pushbutton auto advance plastic barrel, metal mechanism none 1970s Switzerland |
MIFA 30 lead box. available in 9 degrees: B, HB, F, H–6H |
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| see also |
Eugene Dietzgen Corp. catalog, 1960, p141 Alfred A Mossner catalog, 1959, p 57 |


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| Imprint reads "MIFA 45 - swiss made."Imprint on reverse reads "Dietzgen." | |
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lead width mechanism composition variations production date origin |
0.45 mm pushbutton incremental advance plastic barrel, metal mechanism none 1970s Switzerland |
MIFA 45 lead box. available in 9 degrees: B, HB, F, H–6H |
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| see also |
Eugene Dietzgen Corp. catalog, 1960, p141 Alfred A Mossner catalog, 1959, p 57 |


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