Antigon on cardboard
Three Antigon coils are mounted on a piece of black cardboard: one plain, one with wings on the inside, and one Antigon-F with a membrane on the inside.
Inventory number: 1889
Material: cardboard, plastic, metal
Dimensions, in cm: 16,6 x 9,5 x 0,4
Condition: very good
Donor: Robert Snowden