Description

Staedtler Mars erasing shield with 26 openings in original packaging. Item No 1/529 50. 2. It is a valuable aid in precision erasure of particular sections, lines, dots, curves, etc. while protecting other parts of the drawing.

This item is still available for purchase.

The donor, Mrs Loch, is the widow of Norman Loch former lecturer at Heriot-Watt University.