![19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy 19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy](https://c8.alamy.com/zooms/9/39cffaf7ddff4c78909f1f58ce18ff57/mr51y1.jpg)
19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy
![19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy 19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy](https://c8.alamy.com/zooms/9/882b9a3944bf4fc9bd9f547c25dd4ef8/mr51tk.jpg)
19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy
![19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy 19th century illustration of a swimming machine invented in 1800 by a Mr Richardson from Mobile, USA. The swimmer rests upon a float with his head wel Stock Photo - Alamy](https://c8.alamy.com/zooms/9/57c881cecb124562ab573791e2d959df/rj95kr.jpg)