prison jailer prison straitjacket prison landings old prison cell cell door spyhole top landing prison landing prison staircase Oxford Prison Oxford Science Museum old globes old telescopes Lawrence of Arabia's camera prosthetic hand Einstein's blackboard oscillator, coherer and spark key Righi oscillator Marconi's magnetic detector Marconiphone two-valve receiver Oxfordshire coat of arms ubi jus, ibi remedium old well in the castle mound Victorian loo penny farthing bicycle evacuee suitcase old needlework box slow - major road ahead sign old roundabout sign antique fire engine classic Oxford Bus old bus in Oxford High Street 44 from Chippy to Oxford bus conductor's ticket machine bus conductor issuing ticket conductor giving out tickets conductor issuing tickets vintage bus in the high street social control swan with cygnets baby swan luvvie green bridge