Tuning fork (C), to a design by Alfred Gardiner Brown, made by Down Bros., English, 1874-1900. Gardiner Brown's tuning fork (C) made by Down Bros.
Steel tuning fork with oval grip and circular stand, owned by British physician Sir Thomas Lauder Brunton (1844-1916) and made by Mayer and Meltzer, London, England, 1869-1874. Steel tuning fork owned by Sir Thomas Lauder Brunton, 1869-1874
Auriscope with three speculae, in leatherette case, made by Theodore Hamblin Limited, London, England 1960-1975 Auriscope with three speculae
Tuning fork (C°), to a design by Alfred Gardiner Brown, made by Arnold and Sons, English, 1880-1895 Tuning fork invented by Alfred Gardiner Brown, c 1880-1895