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Record
GB 0809 Ross - Ross, Col Sir Ronald (1857-1932)
159 - Material on Ross' inventions including ear plugs and a clinical automatic thermometer
01 - Material on the invention of ear plugs by Ross
Ref No
GB 0809 Ross/159/01/58
Level
Item
Title
Letter from ME Wade
Date
14/6/1925
Description
Some ear plugs on a spring have arrived without explanation but she assumes that they have been sent to her to have copied. Asks how they are supposed to be worn as she cannot make them stay on her head or close her ears
AccessStatus
Open
Language
English
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