books attempts to record ground speed
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# Max ground speed recording
# How fast does rain fall on the ground?
# What is the speed of the earth's rotation around the sun?
# speed records
# Speed in recording accounting transactions
# Recording speed
# record the speed of sound
# ground speed radar
# What is in the ground?
# generator engines and attempts
# assassination attempts
# Failed terrorist attempts
# coup attempts
# Coup Attempts in Ethiopia
# Coup attempts in Germany
# Spanish Attempts to Retake Mexico
# sabotaging birth control attempts
# Attempts to Assassinate Adolf Hitler
# Sultan's attempts at Moroccan independence
# attempts to dig the canal
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Source: wikipedia.org
محاولات تسجيل سرعة الأرض (Info)
كانت بحيرة إيري موقعًا للعديد من محاولات قياس سرعة الأرض في مناطقها السبخة، وخاصة تلك التي قام بها دونالد كامبل (Donald Campbell) باستخدامه بلوبيرد-بروتيوس CN7 (Bluebird-Proteus CN7).
