File contains three copies of a photograph of Prof. H. A. Bumstead making a vacuum to split atoms at Cambridge University in the Cavendish Laboratory. A. S. MacKenzie is visible in the background, measuring a magnetic field.
Item is a photograph of Harris Brown taken in Garden House in Chelsea, London. Harris is sitting on a stool next to an ornate fireplace with a mirror and sculptures. The photograph was sent to Arthur Stanley MacKenzie as a Christmas and New Year greeting card.
Item is a photograph of Harris Brown sitting in Garden House in Chelsea, London. There are paintings and sculptures in the room around Harris. The photograph was sent to Arthur Stanley MacKenzie as a Christmas and New Year greeting card.