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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/159/01/45
Level
Item
Title
Copy of a letter from Ross to the editor of the Yorkshire Observer entitled Ear Protectors against Noise
Date
7/1/1915
Description
Published 11/1/1915 (Ross/159/44)
AccessStatus
Open
Language
English
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