1 US patent 1446758, Thaddeus McHugh, Neck for musical instruments, issued 1923-02-27 Patent on truss rod. Note that the diagram in McHugh's patent document shows an incorrect design for the truss rod channel.
Tsar Bomba (Russian: ÑÐ°ÑÑ-Ð±Ð¾Ð¼Ð±Ð°;  Tsar of bombs) is the nickname for the AN602 hydrogen bomb, the most powerful nuclear weapon ever detonated.one of total destruction of the Tsar Bomba (as an example â over a map of Paris): red circle = total destruction (radius 35 kilometres (22 mi)), yellow circle = fireball (radius 3.5 kilometres (2.2 mi)).
Tsardom of Russia. The Tsardom of Russia (ÑÑÑÑÐºÐ¾Ðµ ÑÐ°ÑÑÑÐ²Ð¾, Russkoye tsarstvo or ÑÐ¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ðµ ÑÐ°ÑÑÑÐ²Ð¾, Rossisyskoye tsarstvo), also known as the Tsardom of Muscovy, was the name of the centralized Russian state from assumption of the title of Tsar by Ivan IV in 1547 until the foundation of the Russian Empire by Peter the Great in 1721.