policeman rehearsals of the Bertram Mills Circus in Luton 15th April 1938 - from our story 'Roll Up! Roll Up! Posters and Photographs of Bertram Mills’ Circus' Policeman outside the tent during rehearsals in Luton of the circus in April 1938 View The Article VISIT OUR SHOP Visit the shop 15% OFF ANY 3 OF OUR LOVELY T-SHIRTSMade from 100% Organic Cotton Featured Artist: Cyril E Power Discover Our PrintsExplore our Prints Shop Editor’s picks Mugs TODAY: 15% off any 3 t-shirtsDiscover Our 100% Organic Cotton T-Shirts Collect our postcards GET 10% Off – SIGN-UP FOR FREE First Name Last Name Leave this field empty if you're human: