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Guericke's demonstration was presented on 8 May 1654 to the Reichstag and the Emperor Ferdinand III in 1654 in Regensburg, where 30 horses, in two teams of 15, could not separate the hemispheres until the vacuum was released. In 1656 he repeated the demonstration with 16 horses (2 teams of 8) in his hometown of Magdeburg, where he was mayor.

示范格里克的示范于1654年5月8日在雷根斯堡向德意志帝国国会和国王费迪南德三世展示，共30匹马分为两组，每组15匹，在空气进入前无法将两个半球分离。1656年，他在他的故乡马德堡重作示范，这次示范用了16匹马（分为两组，每组8匹），当时他当市长。1657年，加斯帕。

Ambassador Geoff Raby's failure to arrangetop-level meetings for Mr Ferguson is understood to have been a reason he wasrecalled to Canberra for urgent talks.

大使 Geoff Raby未能替Ferguson 先生安排高层会议被理解为有其他原因：堪培拉召唤他回来参加紧急会议。