EVB2923595: A 30 year old polio patient wearing a chest respirator on a standing bed. This relieves pressure on the back from the horizontal bed of iron lungs. The nurse checks the patient's blood pressure as he moves into a vertical position. Jefferson Davis Hospital, Houston, Texas. 1953 / Bridgeman Images
AFF5615712: L & Co Ship 1726 logo used by Longmans Green and Company (now 'Longmans') as its publisher's or printer's device from around 1880. The ship was chosen as the company's founder Thomas Longman purchased an existing publishing house and began operating out of a shop called 'The Ship' in Paternoster Road in 1726., English School, (19th century) / Bridgeman Images
AFF5615721: Man in a square surrounded by symbols of the eye, snake, seven section staff and shield. Engraving from Heinrich Cornelius Agrippa von Nettesheim (1486-1535) 'De occulta philosophia libri tres' (Three Books of Occult Philosophy) published in 1533., Nettesheim, Heinrich Cornelius Agrippa von (1486-1535) / Bridgeman Images