Revision history of "User:MarylouSmartt2"

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  • (cur | prev) 01:58, 20 October 2017‎ MarylouSmartt2 (talk | contribs)‎ . . (2,055 bytes) (+2,055)‎ . . (Created page with "What is an achromatic lens?<br><br>An achromatic lens or Achromat is a lens that's created for the purpose of restricting the consequences of lens(chromatic and spherical) abe...")
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