▁Gren o ble , ▁and ▁of ▁the ▁C ement ▁and ▁Con crete ▁Indust ry , ▁Engineering ▁History ▁and ▁Heritage , ▁I CE ▁Publishing , ▁London , ▁décembre ▁ 2 0 1 1 . ▁C éd ric ▁Aven ier , ▁C iments ▁de ▁l ’ Is ère , ▁deux ▁siè cles ▁d ’ inn ov ation , ▁D L ▁les ▁patr imo ines , ▁ 2 0 1 0 , ▁ 8 0 ▁p . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁The ▁Per ret ▁tower ▁on ▁the ▁official ▁web ▁site ▁of ▁the ▁Gren o ble ▁tour ism ▁office ▁ ▁Category : Build ings ▁and ▁structures ▁in ▁Gren o ble ▁Category : World ' s ▁fair ▁architecture ▁in ▁France ▁Category : 1 9 2 0 s ▁architecture ▁Category : Mon uments ▁historiques ▁of ▁Is ère ▁Category : Oct ag onal ▁buildings <0x0A> </s> ▁The ▁men ' s ▁ 1 0 ▁met re ▁platform ▁was ▁one ▁of ▁five ▁div ing ▁events ▁on ▁the ▁div ing ▁at ▁the ▁ 1 9 2 0 ▁Summer ▁Olympics ▁programme . ▁The ▁competition ▁was ▁held ▁on ▁Sunday , ▁August ▁ 2 8 , ▁ 1 9 2 0 ▁( first ▁round ) ▁and ▁on ▁Monday , ▁August ▁ 2 9 , ▁ 1 9 2 0 ▁( final ). ▁ ▁S ources ▁vary ▁on ▁whether ▁Ad ol fo ▁Well isch ▁competed , ▁and ▁thus ▁whether ▁ 1 4 ▁or ▁ 1 5 ▁divers ▁from ▁ 6 ▁or ▁ 7 ▁nations ▁competed . ▁The ▁official ▁report ▁does ▁not ▁list ▁him , ▁but