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CA ACU SPC C0019-S0002-SS0002-FL0018 · File · 1935 - 1974
Part of Clayton W. Dodge collection relating to Leon Bankoff

Reprint of Leon Bankoff article titled "Are the twin circles of Archimedes really twins?", Mathematical Magazine, V. 47, no. 4 (September-October 1974), p. 214-218), as well as holograph materials of various solutions and research materials including works by other authors including John Satterly, V. Thébault, Thomas Muir, Martin Gardner, M.G. Fontené, F. Soddy, J.H. Weaver, and I.J. Adams.

CA ACU SPC C0019-S0002-SS0002-FL0017 · File · 1969 - 1997
Part of Clayton W. Dodge collection relating to Leon Bankoff

Photocopied, print, and handwritten material including the following solutions by Leon Bankoff: "A geometrical coincidence"; "The bat"; "A streamlined proof of Morley's theorem"; "The asymmetric propeller"; "A mere coincidence"; "A 'between-patients' proof; "Arctan 1 + arctan 2 + arctan 3=π"