Fig

the coast is

Example 14, fig. 14, represents the method of delineating a rock, used in marine maps. A range of rocks is represented in ^ Example 15, fig. 15, and a rock surrounded by sand in Example 16, fig. 16.

Example 12, fig. 12., represents a rirer entering the s6a; delineated as in the sketch.

Example 13, fig. 13, represents part of a sea-line of coast cc, with sandy shoal lb, and swampy morass a a.

ExAMPLt 17, fig. 17, represents a sandy shoal The method of delineating water in a basin or harbour is shewn in

Example 18, fig. 18. The manner of representing blocks a town or suburban district map is represented in

Example 18, fig. 18. The manner of representing blocks a town or suburban district map is represented in

fig. 19.

Example 19, fig. 19. This example is also designed to shew the use of squares in reducing or enlarging maps. The principle of this method has been fully described in Practical Geometry.

Example 20, fig. 20, is the same subject as in the previous figure. The pupil, aided by thé letters of reference and the figures,, should have no difficulty in finding the various points in fig. 20 from fig. 19, and vice versâ, if

fig. 22

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