<?xml version='1.0' encoding='UTF-8'?>
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  <mods:titleInfo displayLabel='primary_display' usage='primary'>
    <mods:title>Dr. Edgar D. Tillyer at table with assistant working at American Optical Southbridge</mods:title>
  </mods:titleInfo>
  <mods:typeOfResource>Still image</mods:typeOfResource>
  <mods:genre authority='gmgpc' authorityURI='http://id.loc.gov/vocabulary/graphicMaterials' displayLabel='general' valueURI='http://id.loc.gov/vocabulary/graphicMaterials/tgm007721'>Photographs</mods:genre>
  <mods:genre authority='gmgpc' authorityURI='http://id.loc.gov/vocabulary/graphicMaterials' displayLabel='specific' valueURI='http://id.loc.gov/vocabulary/graphicMaterials/tgm007718'>Photographic prints</mods:genre>
  <mods:originInfo>
    <mods:dateCreated encoding='w3cdtf' keyDate='yes' qualifier='approximate'>1925</mods:dateCreated>
  </mods:originInfo>
  <mods:physicalDescription>
    <mods:digitalOrigin>reformatted digital</mods:digitalOrigin>
    <mods:extent>1 photograph</mods:extent>
    <mods:internetMediaType>image/jpeg</mods:internetMediaType>
    <mods:internetMediaType>image/tiff</mods:internetMediaType>
    <mods:internetMediaType>image/jp2</mods:internetMediaType>
  </mods:physicalDescription>
  <mods:abstract>Legendary Dr. Edgar D. Tillyer, Director of Research at the American Optical Company in Southbridge, is seated at a work bench with an unidentified assistant. The apparatus has a long scope and is being focused by the younger man. They are measuring the index of refraction of glass. There are other pieces of equipment that are viewable as well. The backdrop is brick walls and wooden shelving.</mods:abstract>
  <mods:note>Is part of the photographic collection of the Jacob Edwards Library, Southbridge, Massachusetts. http://www.jacobedwardslibrary.org</mods:note>
  <mods:note type='date'>Date from item or accompanying materials.</mods:note>
  <mods:subject authority='local'>
    <mods:topic>Optics--Technological innovations</mods:topic>
  </mods:subject>
  <mods:subject authority='local'>
    <mods:topic>Southbridge--Biography--Southbridge (Mass.)--Pictorial works</mods:topic>
  </mods:subject>
  <mods:subject authority='tgn' authorityURI='http://vocab.getty.edu/tgn' valueURI='http://vocab.getty.edu/tgn/2050617'>
    <mods:hierarchicalGeographic>
      <mods:county>Worcester</mods:county>
      <mods:country>United States</mods:country>
      <mods:continent>North and Central America</mods:continent>
      <mods:state>Massachusetts</mods:state>
      <mods:city>Southbridge</mods:city>
    </mods:hierarchicalGeographic>
    <mods:cartographics>
      <mods:coordinates>42.0667,-72.0333</mods:coordinates>
    </mods:cartographics>
  </mods:subject>
  <mods:subject>
    <mods:name authority='naf' authorityURI='http://id.loc.gov/authorities/names' type='corporate' valueURI='http://id.loc.gov/authorities/names/n80115647'>
      <mods:namePart>American Optical Company</mods:namePart>
    </mods:name>
  </mods:subject>
  <mods:subject>
    <mods:name authority='local' type='personal'>
      <mods:namePart>Tillyer, Edgar D. (Edgar Derry)</mods:namePart>
      <mods:namePart type='date'>1881-1973</mods:namePart>
    </mods:name>
  </mods:subject>
  <mods:relatedItem type='host'>
    <mods:titleInfo>
      <mods:title>Photographic Collection of the Jacob Edwards Library</mods:title>
    </mods:titleInfo>
  </mods:relatedItem>
  <mods:identifier type='uri'>https://ark.digitalcommonwealth.org/ark:/50959/mk61sj19j</mods:identifier>
  <mods:identifier type='local-barcode'>38136000330348</mods:identifier>
  <mods:location>
    <mods:physicalLocation>Jacob Edwards Library</mods:physicalLocation>
  </mods:location>
  <mods:location>
    <mods:url access='object in context' usage='primary'>https://ark.digitalcommonwealth.org/ark:/50959/mk61sj19j</mods:url>
    <mods:url access='preview'>https://ark.digitalcommonwealth.org/ark:/50959/mk61sj19j/thumbnail</mods:url>
    <mods:url note='iiif-manifest'>https://ark.digitalcommonwealth.org/ark:/50959/mk61sj19j/manifest</mods:url>
  </mods:location>
  <mods:accessCondition displayLabel='license' type='use and reproduction'>Contact host institution for more information.</mods:accessCondition>
  <mods:accessCondition displayLabel='rights' type='use and reproduction'>Rights status not evaluated.</mods:accessCondition>
  <mods:recordInfo>
    <mods:recordContentSource>Boston Public Library</mods:recordContentSource>
    <mods:recordCreationDate encoding='w3cdtf'>2021-09-08T16:20:46Z</mods:recordCreationDate>
    <mods:recordChangeDate encoding='w3cdtf'>2021-09-08T16:20:46Z</mods:recordChangeDate>
    <mods:recordOrigin>human prepared</mods:recordOrigin>
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      <mods:languageTerm authority='iso639-2b' authorityURI='http://id.loc.gov/vocabulary/iso639-2' type='code' valueURI='http://id.loc.gov/vocabulary/iso639-2/eng'>eng</mods:languageTerm>
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    <mods:descriptionStandard authority='marcdescription'>local</mods:descriptionStandard>
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