Helmet Workshop - from our story 'On This Day In Photos: April 7th In The 20th Century' 7th April 1930: A workman produces a batch of policeman's helmets at a workshop in Tooley Street, London. (Photo by Fox Photos/Getty Images) 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: