181 140 Isograph P 1.4mm 1st ver
Year: 1983

This is the first of three generations of isographs P from 1983. onward,
Box is a lot different still wearing the old rotring logo.
It doesn't have Germany written on clip and it has different letters on pen - later version has italic letters.

Isograph P had a small run from 1983. until 1992. making them a rare find today.

Rotring Isograph P drawing pen
with wear-resistant, hard metal drawing tip.

THE TUNGSTEN CARBIDE TIP MAKES THIS NIB SUITABLE FOR DRAWING ON POLYESTER WITH ETCHING INK.
THE SPECIAL PLASTIC OF THIS BODY IS MADE TO WITHSTAND THE CORROSIVE ETCHING INK ACTION.


Line thickness for drawing and lettering in etching ink on plastic drafting film, ideal for microfilming.
Line thickness for drawing in accordance with ISO/DIS 128 (corresponding to DIN 15, series 1) and for
lettering in accordance with ISO 3098/1 (corresponding to DIN 6776).

The concept of the rotring isograph P drawing pen incorporates all the successful features of the isograph and is designed
for true-to-standard drafting and lettering on film with etching inks.
The pen is resistant to solvents.
The stepped drawing tube is equipped with a wear-resistant, hard-metal inserts.
This ensures that the drawing tip enjoys a longer service life, even when used on highly abrasive film, thus guaranteeing drafting results that are true to standard and ideal for microfilming.

181 013 0,13mm violet
181 018 0,18mm red
181 025 0,25mm white
181 035 0,35mm yellow
181 050 0,50mm brown
181 070 0,70mm blue
181 100 1,00mm orange
181 140 1,40mm green
181 200 2,00mm light grey

ISOGRAPH P REPLACEMENT NIB
781 013 0,13mm violet
781 018 0,18mm red
781 025 0,25mm white
781 035 0,35mm yellow
781 050 0,50mm brown
781 070 0,70mm blue
781 100 1,00mm orange
781 140 1,40mm green
781 200 2,00mm light grey


Very hard to find...specially in unused state.
Out of production.

❮ ❯