Caption:
New High-Standard Watch Will Aid Modern Day Flyers.In the Chronometer Department of the Royal Greenwich Obervatory at Hurstmonocrux Castle, two female workers, Miss Margaret Newman (nearest camera), of Eastbourne, and Miss Cynthia Ryall; of Seend (Wiltshire) make & daily check on a batch of the new-type wrist watches for the uses of air navigators. January 8, 1950.