"Mechanic's Revenge" is a parlor kaleidoscope by Robert Cook and Jocelyn Teh of Arcana Kaleidoscopes. This is a brass and copper constructions ina barrel 250x90mm with antique patination and polished highlights. There are three turning axels with wheels plus a vertical rotating armature set into the base which is turned from Australian Eucalypt (red gum). This scope has 3 different mirror systems, a 2-mirror, and two different 3-mirror systems. There are two 6-1/4" in diameter object wheels, one in stained glass and one in agates. This scope measures 13"T x 13"L x 7-1/2"W at the base and it is signed (Robert Cook) and dated (2018) by the artist.