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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 NoGB 0809 Ross/159/01/29
LevelItem
TitleLetter from Charles Baker, Scientific instrument makers
Date31/12/1909
DescriptionApologises for the delay but they have been waiting to hear from a friend at the Patent Office as to whether it is possible to register the silencer now a provisional patent has been taken out. He will write when he hears from his friend
AccessStatusOpen
LanguageEnglish
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    Illustration of the Keppel Street building exterior from the 1946-47 London School of Hygiene & Tropical Medicine annual report

    Illustration of the Keppel Street building exterior from the 1946-47 London School of Hygiene & Tropical Medicine annual report

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