150 050 isograph F 0.5mm Ffilm
Year: 1986
Description
Found in unique F and FL film set.
It is regular 150 050 Isograph F pen, but with F sticker.
Isograph F pen
has tungsten tip especially for drawing on drafting films with non-etching inks.
For drawing in accordance with ISO/DIS 128 (corresponding to DIN 15, series 1) and for lettering in accordance with
ISO 3098/I (corresponding to DIN 6776).
Drwaing tube in metal bush with 3 and 5mm phi.
Cap with clip and double seal
Available in 9 sizes from 0.13 to 2mm.
Isograph F were first introduced in 1978, this one is from the 80s based on the lettering on the body.
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