- 1
Gowlland (agent), Auriscope, 1940
Auriscope, @FMW - 2Gowlland (agent),
Mirror, head, The Bramber, @FXB - 3Chas. F. Thackray (agent), Gowlland (Manufacturer), Auriscope with electric light, 1930 - 1950
Auriscope, @IMT - 4Gowlland, Auriscope,
Auriscope, @KQE - 5Gowlland (Manufacturer), Throat Mirror,
Throat mirror, @KZF