Improvements in or connected with stethoscopes / [James Ernest Arnold].

Improvements in sterilising apparatus and containers, particularly adapted for treating and containing dressings, instruments and the like, employed for surgical and medical purposes / [James Ernest Arnold].

Improvements in or connected with hypodermic syringes / [James Ernest Arnold].

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Arnold, James Ernest.

Works from the collections

Improvements in or connected with stethoscopes / [James Ernest Arnold].

Improvements in sterilising apparatus and containers, particularly adapted for treating and containing dressings, instruments and the like, employed for surgical and medical purposes / [James Ernest Arnold].

Improvements in or connected with hypodermic syringes / [James Ernest Arnold].

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