Cased Vintage Six Piece Technical Drawing Set

A good quality 6 piece vintage technical drawing set, it was made in Germany and the larger pieces are marked accordingly, it has a lable in the lid for a previous owner, D. Thompson form U3c Manchester grammar school. The set comes in good condition with signs of age and use housed in a leather case which opens by way of pulling out a pin on the side. The case measures just under 5.5 inches long.