DO NOT GET!!!
13d. Steal mate's porcelain(4,5). Answer BONE CHINA
14a. Fish, black when small(4). Answer BASS
20d. Encourage operator to appear topless(4,2) Answer URGE ON
3d. Stares at the old globes after end of lecture(8). Answer EYEBALLS
bone china - two double meanings
bass - b( black ( as ( when ) s ( small )
urge on - surgeon minus ( i.e. topless ) s
eyeballs - end of lecture = e + ye ( old word for the ) balls = globes