If p denotes the density of the air or medium W' = sird 3 xp, (23) W' I p __ W I -1 3 k12 I k22 x2 ±i a 2= 101-1 3 '111 2= 2 tan g S = Q (l - a) x 2+ I (26) in which a/p may be replaced by 800 times the S.G.
He then tried to win recognition as dukes of Aquitaine for the sons of his wife Agnes by William the Great, who were still minors, but Fulk Nerra promptly took up arms to defend his suzerain William the Fat, from whom he held the Loudunois and a tan g S h= - Saintonge in fief against his son.
The edges of the lid dip into an external water seal or lute G, whereby the gas is prevented from escaping.
G is the pipe through which the blowing-up gas (Siemens gas) is carried away, either into the open air (where it is at once burned) or into a pre-heater for the blast, or into some place where it can be utilized as fuel.
Some authorities see in it a descriptive epithet, derived from Arabic darasa (those who read the Book), or darisa (those in possession of Truth) or du g s (the clever or initiated); but more connect it with the name of the first missionary, Ismael Darazi.
