Anti Gas Air Raid Precautions 1936 Members of the West Riding Police Service wearing protective clothing and gas masks during an anti gas air raid training exercise with their unprotected horse on 19th August 1936 at Wakefield in the West Riding of Yorkshire, England. (Photo by Fox Photos/Hulton Archive/Getty Images). Paper size: 12 x 16" inches / 30 x 40 cm Unframed Archival Pigment Print Shipped securely from London.