Editing Tangram (section)

===Second craze in Germany (1891–1920s)===

Tangrams were first introduced to the German public by industrialist [[Friedrich Adolf Richter]] around 1891.<ref name="arclab">{{cite web|url=http://www.archimedes-lab.org/tangramagicus/pagetang1.html |title=Tangram the incredible timeless 'Chinese' puzzle |website=www.archimedes-lab.org}}</ref> The sets were made out of stone or false [[earthenware]],<ref>{{cite book |title=Treasury Decisions Under customs and other laws, Volume 25 |year=1890–1926 |publisher=United States Department Of The Treasury |page=1421 |url=https://books.google.com/books?id=MeUWAQAAIAAJ&q=%22The+Anchor+Puzzle%22&pg=PA1421 |access-date=September 16, 2010}}</ref> and marketed under the name "The Anchor Puzzle".<ref name="arclab"/>

More internationally, the First World War saw a great resurgence of interest in tangrams, on the homefront and trenches of both sides.  During this time, it occasionally went under the name of "The [[Sphinx]]" an alternative title for the "Anchor Puzzle" sets.<ref>{{cite web |author=Wyatt |date=26 April 2006 |title=Tangram – The Chinese Puzzle |work=h2g2 |publisher=BBC |url=https://www.bbc.co.uk/dna/h2g2/alabaster/A10423595 |access-date=3 October 2010 |url-status=dead |archive-url=https://web.archive.org/web/20111002085746/https://www.bbc.co.uk/dna/h2g2/alabaster/A10423595 |archive-date=2011-10-02}}</ref><ref>{{cite book |title=Kids Around The World Play! |last=Braman |first=Arlette |year=2002 |publisher=John Wiley and Sons |isbn=978-0-471-40984-7 |page=10 |url=https://books.google.com/books?id=fNnoxIfJg5UC&q=Kids+Around+The+World+Play! |access-date=September 5, 2010}}</ref>