Left: Small body Framus star bass. Modified with Hipshot Lyte tuners, new control panel and Hofner ebony bridge. 1963 vintage
Middle: Aria SWB-04 electric upright.
Right: Univox hollow body violin bass purchased as project, rewired as conventional J-bass. New controls, panel and Hofner ebony bridge. Approximate mid '60s vintage.
Right: Gibson Fretless Ripper. 1977 vintage. Modified to play upright due to severe neck dive and excessive weight. Endpin is in lower left corner of picture. Details of modification are here.