Can You Identify These Mysterious Scientific Objects?

If You Or Anyone You Know is Into: "time standards and refractometers, galvanometers and magne-gages, thousands of tools that make measurement possible" Then You Might Be Able To Help The National Institute of Standards and Technology With Their Digital Archives. Go On- Be A Nerd Hero!

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  http://www.wired.com/wiredscience/2011/04/unidentified-scientific-tools/

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  http://www.wired.com/wiredscience/2011/04/unidentified-scientific-tools/

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  http://www.wired.com/wiredscience/2011/04/unidentified-scientific-tools/

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  Just click on the link below any of the photos to read the article & see a few more pix- or go straight to: http://nistdigitalarchives.contentdm.oclc.org/cdm4/results.php?CISORESTMP=results.php&CISOVIEWTMP=item_viewer.php&CISOMODE=grid&CISOGRID=thumbnail,A,1;title,A,1;creato,A,0;contri,200,0;none,A,0;20;relevancy,none,none,none,none&CISOBIB=title,A,1,N;creato,A,0,N;contri,200,0,N;none,A,0,N;none,A,0,N;20;relevancy,none,none,none,none&CISOTHUMB=20%20(4x5);relevancy,none,none,none,none&CISOTITLE=20;title,none,none,none,none&CISOHIERA=20;creato,title,none,none,none&CISOSUPPRESS=0&CISOTYPE=link&CISOOP1=any&CISOFIELD1=notes&CISOBOX1=crowdsource&CISOOP2=any&CISOFIELD2=creato&CISOBOX2=&CISOOP3=any&CISOFIELD3=contri&CISOBOX3=&CISOOP4=any&CISOFIELD4=CISOSEARCHALL&CISOBOX4=&c=any&CISOROOT=%2Fp15421coll3