One Abdank Abakanowicz integraph no.41; large size with extra bar (42a)

Made:
1911 in Zurich

One Abdank Abakanowicz integraph no.41; large size with extra bar (42a), No.173, by G.Coradi, Zurich, Switzerland. Fitted box with key; accessories: two screw drivers, pencil, pen, small brass weight, brush, steel scale with needle point at one end and divided 0, 1", 2", 3", 4", about 4 1/2" long, small tommy

Details

Category:
Mathematics
Object Number:
1911-193
type:
integraphs
credit:
Coradi, G.