122. Required the course and distance from A to B.

123. A ship sailed from A 380 miles E.S.E. E.: required

the latitude and longitude in.

124. May 2, 1852, at noon, a point of land, in latitude 55° 10' S. and longitude 67° 20′ W., bore by compass N.E. E., ship's head N., distant 12 miles (variation of the compass 3 W.); afterwards sailed as by the following log account: required the latitude and longitude in, on May 3.

125. Required the course and distance from A to B.

Variation of compass 23 E.

For local deviation see p. 16. 127. March 6, 1852, at noon, a point of land, in latitude 47° 10′ N. and longitude by account 10° 46′ W., bore by compass E.b.N.N. (ship's head being S.S.E. by compass), distant 20 miles (variation of the compass 24 W.); afterwards sailed as by the following log account: required the lat. and long. in on March 7, at noon.

128. Required the course and distance from A to B.

129. Two places in the same latitude N. whose difference of longitude is 700 miles, are distant from each other 400 miles; required the latitude they are in. (See p. 30.)

130. Jan. 10, 1852, at noon, a point of land, in latitude 46° 12′ S. and longitude by account 2° 10′ W., bore by compass E.b.S.S., distant 20 miles, the ship's head being East by compass; afterwards sailed as by the following log account: required the latitude and longitude in, on Jan. 11, at noon.

In the following examination paper the ship's compasses are not supposed to be affected by the iron on board. 131. Required the course and distance from A to B.

133. On June 5, 1852, at noon, a point of land, in latitude 70° 15' N. and longitude 7° 13' E., bore by compass N.W.4W., distant 18 miles (variation 1 W.); afterwards sailed as by the following log account: required the latitude and longitude in, on June 6, at noon.

ANSWERS TO QUESTIONS 113-133.

113. Course N. 34° 49′ W., distance 384·5. 114. Compass course E. N., distance 101.8.

115. True courses, &c., S.S.W. 17'0'; E.N.E.E. 14·3′; S.W. W. 14.9; S.E. 15·1'; N.W. N. 15·1′; E.b.N.

15.6; S.W. W. 16.9'; S. E. 80. Lat. in 46° 37' N., long. in 3° 9′ W.

116. Course S. 40° 42′ W., dist. 211.0.

117. Compass course S. E. b.E. E., dist. 203.6.

118. True courses, &c., S. W. W. 180: North 17·4'; S. b. E. E. 67'; N.E.4N. 14.5'; S.W.S. 9.4'; E.S.E. S. 24.5'; S. b. E.E. 53'; N.W. W. 24.0'. Lat. in 57° 20' N., long. in 75° 31′ W.

119. Course N. 19° 52′ W., distance 423.2.

120. Compass course E.S. E. E., distance 101.8.

121. True courses, &c., E.S. E. 100'; N.N.E. 22.5'; S.b.E. 28.0'; W. N. 19.4′; S.b.W.W. 25·1'; N.N.E.E. 18.9'; W. N.W. W. 23.2'; W. N. W. W. 100'. Lat. in 34° 36' S., long. in 17° 57′ E.

122. S. 69° 14′ W., 987·1.

123. Lat. in 37° 22′ N., long. in 71° 8′ W.

124. True courses, &c., S. b. W. W. 120'; North 11'6'; S. E. 15-8'; S.W. W. 11.9'; N. N. E. E. 74'; S. b. W. W. 15'6'; W.N.W.W. 16·6'; N. E. & E. 22.5'. Lat. in 55° 23' S., long. in 67° 37′ W.

125. S. 14° 36′ E., 570·4.

126. N.E.E. 86.7.

127. True courses, &c., S.W.4W. 200'; S. b. W. W. 10'7'; S. S.W. W. 11-3'; N.N.E.E. 144'; N.N.E.E. 15.2'; N.E. E. 18.5'; E.N.E. 19.5'; W.N.W. W. 27.0'; W.S.W.W. 8.0'. Lat. in 47° 26' N., long. in 11° 3′ W.

128. N. 56° 32′ E., 253·9.