Used circa 1950. According to Dr Herbert Bauer, this speculum may have been used with a mouth guard. The device prevents the mouth from being closed. It may be used for examining inside a patients mouth or possibly for force feeding food. This is an example of oral medical equipment used at Victorian psychiatric hospitals

Physical Description

Davis-Boyle's mouth speculum is an L-shaped strip of chrome-plated steel. The horizontal arm is a tongue depressor, curved-up slightly, ridged and rounded at the end. An open-ended anaesthetic pipe is soldered beneath it. This bends out and up at the end to sit upright beside the right angle of the "L". It bulges into a tiny gum-nut shape at the end. The vertical arm has an indented finger-grip halfway up and is hooked over at the top.

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