Dudgeon sphygmograph by Mayer and Meltzer, in case, English Dudgeon sphygmograph by Mayer and Meltzer
Dudgeon sphygmograph by Krohne and Sesemann, in case, English Dudgeon sphygmograph by Krohne and Sesemann 1870-1900
Three ophthalmic instruments, probably for irrigating the lachrymal duct, silver with ivory handles, cased, probably English, 1880-1920 Three ophthalmic instruments 1880-1920