[bond] Consol (originally short for consolidated annuities, but can now be taken to mean consolidated stock) is a form of British government bond (gilt), dating originally from the 18th century. The first consols were originally issued in 1751. Consols are one of the rare examples of an actual perpetual bond: although they may be redeemed b... Found on http://en.wikipedia.org/wiki/Consol_(bond)
(from the article `government budget`) Public debt ranges in maturity downward from infinity to periods of a month or even a few days. Debt instruments without a maturity date, requiring ... ...of the annuity certain is the perpetuity, which is an annuity that continues forever. Perhaps the best-known example of a perpetuity is the ... ... Found on http://www.britannica.com/eb/a-z/c/130