Birnberg Bow, Large Ancor and Shamrock

A Birnberg Bow (III) with white thread, a Large Anchor (invented by Dr. Michael S. Burnhill) and a Shamrock with yellow thread (invented by C. Lalor Burdick) mounted on black cardboard.

Inventory Number
1860
Material
plastic
Size in cm
16,6 x 10 x 0,4
Condition
very good
Donor
Univ. Prof. Dr. Robert Snowden