HINTS Use Barbow's Mirror 

 Cruising Compass. 



Made useful. Assists Compassmen as well 

 as Cruisers. Divided in quadrants. Gradu- 

 ated in degrees from to 90 each way. Car- 

 dinal letters on raised circle as well as a con- 

 spicuous black pointer at each letter. Letter 

 E. and W. reversed so as to facilitate angles 

 readings. Variation turned off and set for 

 locality to be used. Inner edge of raised 

 circle graduations harmonize with the several 

 corners bounding a section. A simple device 

 attached to (stop to needle bar) preventing 

 the adherence of bar upwards when it should 

 be downwards, removing one great annoy- 

 ance. 



Hints to Beginners The art of Compassing 

 is best learned by doing it. Should state 

 briefly however Hold Compass squarely be- 

 fore you, cover or North end always ahead , 

 practice to run straight and pace correctly, face 

 course as nearly as possible, when you 

 either open or close compass, tilt compass a 

 little to prevent unnecessary swinging of 

 needle. Practice to take a sight quickly, 

 don't wait until needle comes to a stop, course 

 known as soon as needle swings equally on 

 each side of (pointer). See that you hold 

 compass level, let the continuous center line 

 through compass guide your sight to object 

 ahead on your line. In case of an open 

 country, sight object as far as possible 

 (rather two objects) on your line, keeping the 

 nearer object covering the farther one, etc. 

 (cultivating the art of running a straight line) . 

 When it is desired to run diagonally through 

 a Section or ascertain the distance across a 

 canyon, streams or any points not accessible, 

 consult section diagram and Key thereto. 



To avoid obstructions, etc., found in your 

 course bear off, say, 10 degrees from said 

 course, distance one tally. Then having got- 

 ten around obstructions, bear in 10 degrees, 

 one tally, back to original course. (Add two 

 paces to two tallies.) 



3G 



