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Mars-Lumograph 1021

J.S. Staedtler, Germany

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton spring clutch
all metal
unknown (barrel color?)
circa 1958 to early 1960s
Germany
   
see also Mars-Lumograph Technico 1001 (with grip)
Packaging for the all metal Lumograph 1021 included lead and a pointer.
J.S. Staedtler Mars-Lumograph 1021

Mars-Lumograph 1021

J.S. Staedtler, Germany

lead diameter
mechanism
composition
variations
production date
origin
2 mm
pushbutton spring clutch
plastic barrel, metal fittings
colored end of barrel: black, green, red, yellow, blue (none)
1958 to early 1960s
Germany
 
see also Staedtler Mars 771