Page:Encyclopædia Britannica, Ninth Edition, v. 10.djvu/63

Rh 

Fig.8.

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$\textstyle \mathrm{I} = \frac{\mathrm{H}}{\mathrm{G}}\tan \theta$,|undefined

H being the. horizontal component of the earth’s magnetic force. 1em 1em

Fig.9.

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$$\textstyle \mathrm{B}\mathrm{G} - y^2 x^2\mathrm{R}^2 = x \left \lbrace y^2 \left ( \mathrm{R}+\mathrm{G} \right ) \mathrm{R} - \mathrm{G} \left ( \mathrm{R}+ \mathrm{G} \right ) \right \rbrace$$, $$\textstyle \mathrm{B}\mathrm{G} - y^2 x^2\mathrm{R}^2 = y \left \lbrace x^2 \left ( \mathrm{R}+\mathrm{B} \right ) \mathrm{R} - \mathrm{B} \left ( \mathrm{R}+ \mathrm{G} \right ) \right \rbrace$$

$$\textstyle y= \sqrt{\frac{\mathrm{G} \left ( \mathrm{R} + \mathrm{B} \right )} { \mathrm{R} \left ( \mathrm{R} + \mathrm{G} \right ) }}$$

$$\textstyle x= \sqrt{\frac{\mathrm{B} \left ( \mathrm{R} + \mathrm{G} \right )} { \mathrm{R} \left ( \mathrm{R} + \mathrm{B} \right ) }}$$

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ALVESTON, a and  of entry on the  of, , situated about 340  to the westward of the  of the South Pass of the , on the south side of the entrance into Galveston Bay, in 29° 18′N. and 94° 47′ west from. It is the principal and the largest  in, is the seat of  of Galveston , and is located on the inner  of Galveston Island, about 2  from its most north-easterly point, known as Fort Point. The therefore faces the main , being separated from it by West , lying between the island and the mainland. The principal portion of the lies on the mainland fronting the two  above d, its general surface, like that of the island, being low and level, and the  y.

Galveston is a low y, about 28  long and 1 to 3  wide, stretching along the  of  in a north-easterly and south-westerly direction, and forming the  -line throughout its entire length.