7 photos

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• Locomotive lubrication chart in the laboratory of the Chicago and Northwestern Railroad. The laboratory assistant in foreground is working at a precision balance. Chicago, Ill (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 1 comment
  • 70 favorites
  • 62,291 views
  • Date taken: 1939
  • Date uploaded: 2008-01-08
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a34614, xmlns:dc=httppurlorgdcelements11, locomotive, lubrication, chart, laboratory, chicago, northwestern, railroad, locomotivelubricationchart, lubricationchart, lab, chicagoandnorthwesternrailroad, assistant, laboratoryassistant, labassistant, precisionbalance, precision, balance, 1942, december, colour, backofhead, worldwar, 19391945, unitedstates, illinois, texacolubricationrecomendations, texaco, recomendations, technicalchart, diagram, train, technical, complex, geo:lat=41888617, geo:long=87729789, geotagged, 40thstyard, cookcounty, schematic, blueprint
  • Visibility: public
• Apparatus used at the laboratory at the C & NW RR's 40th Street yards for analysing solutions of metals used in locomotives and the railroad plant, in general, Chicago, Ill. (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 2 comments
  • 59 favorites
  • 59,659 views
  • Date taken: 1939
  • Date uploaded: 2008-01-08
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a34611, xmlns:dc=httppurlorgdcelements11, cnw, chicago, 1942, 1940s, laboratory, lab, machine, science, equipment, modern, beaker, jack, delano, jackdelano, facesinplaces, geo:lat=41888305, geo:long=87728276, geotagged, chicagoandnorthwesternrailway
  • Visibility: public
• Laboratory worker at the research laboratory at the C & NW RR's 40th Street yard, examining paint samples used on freight cars and coaches of the railroad, Chicago, Ill. (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 49 favorites
  • 56,632 views
  • Date taken: 1939
  • Date uploaded: 2008-01-08
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a34613, xmlns:dc=httppurlorgdcelements11, 1942, 1940s, paint, wilson, chicago, melrose, park, cnw, chicagoandnorthwesternrailwaycompany, melrosepark, illinois, jackdelano, lab, laboratory, coat, provisoyard, 40thstreetyard, paintsample, labcoat, man, geo:lat=41888617, geo:long=87729789, geotagged, cookcounty
  • Visibility: public
• Japan - Injecting pest bacillus into rats (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 2 comments
  • 9 favorites
  • 15,529 views
  • Date taken: 1915
  • Date uploaded: 2013-12-06
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain21272, xmlns:dc=httppurlorgdcelements11, science, lab, medical, research, japan, japanese
  • Visibility: public
• What’s the story here? (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 7 favorites
  • 9,583 views
  • Date taken: 1927
  • Date uploaded: 2020-10-30
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnphec34743, science, experiment, thermometer, temperature, mercury, flasks, beakers, brass, vessel, wood, floor, planks, laboratory, lab, 1920s, still, stepstool, suit, crown, molding
  • Visibility: public
• Prof. R.H. McKee (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 5 comments
  • 4 favorites
  • 7,911 views
  • Date uploaded: 2011-04-29
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain16494, xmlns:dc=httppurlorgdcelements11, man, science, scientist, laboratory, engineer, chemistry, chemical, flask, lab, glasses, moustache, mustache, beard, goatee, bald, standing
  • Visibility: public
• Kopp (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 20 favorites
  • 6,652 views
  • Date taken: 1920
  • Date uploaded: 2020-09-25
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain35110, tympani, megaphone, laboratory, coat, lab, test
  • Visibility: public