Sphygmograph by Gardener, owned by Dr. Bruce of Edinburgh, cased, c.1900 Sphygmograph by Gardener 1890-1920
Marey sphygmograph and set case lid, Mahomed's modification, with accessories, in case, by Krohne and Sesemann, London, motor by Breguet, 1875-1900 Marey sphygmograph 1872
Sphygmograph in black leatherette case. Made by Verdin belonged to Marey. Sphygmograph in black leatherette case