Multiple-bar two-dwell mechanism‍

‍‍Mech­a­nism is stored at the Depart­ment of Math­e­mat­ics and Mechan­ics of Saint Peters­burg State Uni­ver­sity (Peter­hof, Rus­sia).

‍‍I. I. Arto­bolevsky, N. I. Lev­it­sky. Mod­els of mech­a­nisms of P. L. Tcheby­shev / In: The com­plete works of P. L. Tcheby­shev. Vol. IV. The­ory of mech­a­nisms. — Moscow-Leningrad: AS USSR. 1948. P. 225–226. (Russ­ian)

‍‍Geo­met­ric 3D model by Math­e­mat­i­cal Etudes.