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1877 in science
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==Cartography== * [[Peirce quincuncial projection]] devised by [[Charles Sanders Peirce]].<ref>{{cite book|last=Peirce|first=C. S.|year=1877|chapter=Appendix No. 15. A Quincuncial Projection of the Sphere|title=Report of the Superintendent of the United States Coast Survey Showing the Progress of the Survey for Fiscal Year Ending with June 1877|pages=191β194}}</ref>
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