Clinical Diagnosis
1910-1930
Binaural stethescope, by Hawksley, English, c1920
1851-1910
Allison's differential binaural stethoscope with interchangeable chest pieces, English(?), 1851-1910
Binaural stethoscope, by Allen and Hanburys, English
1871-1930
Ear piece from Haydn Brown's binaural stethoscope, made by Allen and Hanburys Ltd., English, 1871-1930
1861-1920
Binaural stethoscope, English(?), 1861-1920
Ear piece from binaural stethoscope, English(?), 1851-1910
Binaural stethoscope, by Down Bros, English
1841-1940
Ear piece from binaural stethoscope, made by Maw, English, 1871-1940
Binaural stethoscope
