Burrow's monaural stethoscope

1801-1905

Monaural stethoscope

1851-1910

Quains monaural stethoscope, English, 1851-1898

1851-1898

Burrow's monaural stethoscope

1851-1910

Monaural stethoscope

1830

Ear plate from Burrow's monaural stethoscope

1801-1910

Burrow's monaural stethoscope

1801-1900

Burrow's monaural stethoscope

1801-1900