For large drawings, we recommend the use of a field book frame in A3 format so that your notes and drawings in the field will be legible and clear. The frame can be flipped open and provides the possibility to clamp one or several A3 sheets. Due to a transparent cover plate, your drawings are protec..
A field book frame is equipment for keeping a log in the field. The frame can be flipped open and provides the possibility to clamp one or several A4 sheets. A solid aluminium plate serves as a blotting pad. Furthermore, a transparent cover plate protects the document from wetness. The frame is..