Marey sphygmograph, by Verdin, in case.
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London.
Marey sphygmograph, by Verdin, in case.
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London.
Marey sphygmograph, by Verdin, in case.
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London.
Marey sphygmograph, by Verdin, in case.
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London.
Marey sphygmograph, by Verdin, in case.
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London.