228. ungepolstert front seat with suspension, left 231a. feather/spring for seat face, left and right seat (377 mm long) 235a. feather/spring for back surface, left and right back (297 mm long) 236. flange screw for front backs at front seat 238. ungepolstert front backs with suspension, left 252. feather/spring clip for pad reference at frameworks 255a. double penholders for backs, on the left and on the right 264. guide rail, upper and lower part with balls and 265. guide rail, upper and lower part with balls,
