Historical information
Used extensively within the Royal Australian Survey Corps for the compilation of maps and for map overlay production. These pens produced lines of consistent line widths for cartographic ink work and these replaced the earlier "Crow Quill" ink nib pens. These pens were donated by 310762 WO1 PJ Presser (dec) who served in the Royal Australian Survey Corps from 11 Feb 1970 - 12 Feb 1990.
Physical description
Rotring box Rapidograph Iso pen set with four pens in a plastic case and two compass adaptors. Pen sizes: 0.25mm, 0.35mm, 0.50mm, 0.70mm, with instructions