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Alvin “Ben” B/3

“Ben” B/3

Alvin & Co. Inc., Bloomfield, Connecticut, USA

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton incremental advance clutch
mostly metal except for some of the clutch which really should be all metal
none
1990s
Taiwan
   
special features lead pointer in removable button
see also ATI Technical Pencil 1200
Staedtler 980