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Cine attachment for Wild M20 microscope

1970-1980

Eight microscope objectives in case for twelve

1851-1900

"Ardente" hearing aid, cased, by R.H. Dent, England, 1920-1940

"Ardente" hearing aid

1920-1940

Pachon sphygmomanometer by G. Boulitte, 15-21 rue Bobillot, Paris, France.

Pachon sphygmomanometer by G. Boulitte

Haemoglobinometer, Gower, glass, in leather case, owned by the late Sir Gordon Hamilton Fairley, made by Hawksley and Sons Limited, 83 Wigmore Street, London, England, 1851-1900.

Haemoglobinometer, Gower, glass

1851-1900

Ear phone battery hearing aid

Ear phone battery hearing aid

1910-1940

Ardente battery hearing aid

Ardente battery hearing aid

Incomplete violet ray apparatus, in fitted leatherette case, three heads and a curved tube only, English, early 20th century

Incomplete violet ray apparatus

1920-1950

Aveling's blood transfusion apparatus, in case, incomplete, by Down, London, late 19th century

Aveling's blood transfusion apparatus, with components

1870-1890