Early coupler-point curves
Tài liệu tham khảo
Ferguson, 1962, Kinematics of mechanisms from the time of Watt, U.S. Nat. Mus. Bull., 228, 198
Ferguson, 1962, Kinematics of mechanisms from the time of Watt, U.S. Nat. Mus. Bull., 228, 201
Chapelle, 1960, The national water-craft collection, U.S. Nat. Mus. Bull., 219, 108
