Echinacea /ËÉkÉ¨ËneÉªÊâ±É/ is a genus, or group of herbaceous flowering plants in the daisy family. The Echinacea genus has nine species, which are commonly called purple coneflowers.They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer.he Echinacea genus has nine species, which are commonly called purple coneflowers. They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer.
Silencers were invented by Hiram Percy Maxim. His father invented the first working modern machine gun. H.P. Maxim received his first patent in late March 1909. H.P. Maxim. Inventor of the Silencer. In 1934, congress passed the National Firearms Act which included silencers. This added a prohibitively expensive $200 transfer tax and registration scheme to an item that typically sold for less than $5.
Sales are booming for silencers, the cylindrical devices used to muffle gunfire. The civilian market for silencers soared 37% in 2013, when the total number shot up to nearly a half a million, according to the Bureau of Alcohol, Tobacco, Firearms and Explosives registry. That's compared to 360,000 in 2012 and 285,000 in 2011. Silencers are so popular that there's a nine-month wait to have a registration approved by the ATF, according to Ben Shim, a certified firearms instructor and gun industry analyst with CRT Capital Group in Stamford, Conn.